How to recognise one
Seven marks make the look. The count says how many of the 10 homages keep each one.
Triangle with a pearl at 12
A lumed triangle with a round pearl marks 12 on the bezel.
Bold bezel numerals
Chunky white numerals at 10, 20, 30, 40 and 50, with a bar between each pair.
Double bar at 12
Two lumed bars sit side by side at 12.
Rectangular lume plots
0 of 10 keep it, 9 not compared yet. Thick rectangular lume plots with a pale outline mark the other hours.
Sword hands
Wide lumed sword hands with a thin seconds hand that ends in a small lumed block.
Date at 4:30
A small white date window sits between 4 and 5, beside the dial text.
Steel bracelet
A brushed steel bracelet with a broad, flat centre link.
Each close-up covers about 12.5 mm of watch, using the listed case width and estimated photo edges.
The 1 that follow the 6217-8001
Most marks kept first.
- Heimdallr 62MAS
41 mm
Price not listed yet
Drawn to scale by listed case width.
Original specifications
Sizes and specifications apply to the version named below. Other versions can differ.
6217-8000
Assigned reference 6217-8000.
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 37 mm | Seiko 62 MAS 6217-8000 Stainless steel 1965 | Dealer | EveryWatch One cited source. EveryWatch reproduces an exact 1965 6217-8000 dealer specimen listing, case no. 5509335, reporting 37 mm diameter. Perpetual Watch Lover reports 38 mm for a different exact small-crown specimen; preserve that conflict. Sources differExact small-crown specimen listings report different case widths; retain both without assuming rounding.
|
| Lug to lug | 46 mm | Seiko 62mas Small crown reference 6217-8000 from May 1965 | Perpetual Watch Lover One cited source. One body-read exact-reference listing gives 46 mm lug-to-lug for a May 1965 6217-8000 specimen. Sources differExact small-crown specimen listings report different lug spans; retain both without assuming rounding.
|
| Thickness | 13 mm | Seiko 62 MAS 6217-8000 Stainless steel 1965 | Dealer | EveryWatch One cited source. EveryWatch reproduces an exact 1965 6217-8000 dealer specimen listing, case no. 5509335, reporting 13 mm thickness. WatchSleuth also lists 13 mm but warns its dimensions may be inaccurate. Sources differExact small-crown specimen listings report different thicknesses; retain both without assuming rounding.
|
| Lug width | 19 mm | Seiko 62 MAS 6217-8000 Stainless steel 1965 | Dealer | EveryWatchSeiko 62mas Small crown reference 6217-8000 from May 1965 | Perpetual Watch Lover Sources agree. Two exact 6217-8000 small-crown specimen listings report 19 mm lug width: EveryWatch’s archived case no. 5509335 and Perpetual Watch Lover’s May 1965 listing. |
| Movement calibre | 6217 | 6217-8000 Automatic Watch One cited source. Value is stated for reference 6217-8000. |
| Case material | stainless steel | 6217-8000 Automatic Watch One cited source. Value is stated for reference 6217-8000. |
| Crystal | acrylic | 6217-8000 Automatic Watch One cited source. Value is stated for reference 6217-8000. |
| Water resistance | 150 m | 6217-8000 Automatic Watch One cited source. Value is stated for reference 6217-8000. |
| Power reserve | 32 hours | 6217-8000 Automatic Watch One cited source. Value is stated for reference 6217-8000. |
Sources and unconfirmed details
- 6217-8000 Automatic Watch, read 2026-10-07
- Seiko 62mas Small crown reference 6217-8000 from May 1965 | Perpetual Watch Lover, read 2026-10-07
- Seiko 62 MAS 6217-8000 Stainless steel 1965 | Dealer | EveryWatch, read 2026-10-07
- The First Seiko Diver - Seiko Diver 6217 8000 - Automatic (Sold) | Maximuswatches, read 2026-10-07
6217-8001
Assignment names exact reference 6217-8001.
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 37.5 mm | Bonhams, All I Want for Christmas, lot 1111 One cited source. Bonhams gives 37.5 mm for exact 6217-8001 case 7500978. Other body-read sources report 37 mm (Fratello/Hodinkee) or 38 mm. Select lot-specific measurement, do not average. Sources differRead sources report different values; see any field selection note for the chosen measurement basis. |
| Lug to lug | 46.5 mm | Seiko 6217-8001 62MAS Vintage Dive Watch One cited source. One read source reports 46.5 mm for ref. 6217-8001; treat as a single-source figure. |
| Thickness | 13 mm | 1966 Seiko 62MAS ref. 6217-8001 One cited source. One read source reports 13 mm for ref. 6217-8001; treat as a single-source figure. |
| Lug width | 19 mm | 1966 Seiko 62MAS ref. 6217-8001 One cited source. One read source reports 19 mm for ref. 6217-8001; treat as a single-source figure. |
| Movement calibre | 6217A | 1966 Seiko 62MAS ref. 6217-8001 One cited source. One read source reports 6217A for ref. 6217-8001; treat as a single-source figure. |
| Case material | stainless steel | 1966 Seiko 62MAS ref. 6217-8001 One cited source. One read source reports stainless steel for ref. 6217-8001; treat as a single-source figure. |
| Crystal | Plexiglass | 1966 Seiko 62MAS ref. 6217-8001 One cited source. One read source reports Plexiglass for ref. 6217-8001; treat as a single-source figure. |
Sources and unconfirmed details
- 1966 Seiko 62MAS ref. 6217-8001, read 2026-10-07T00:00:00Z
- Seiko 6217-8001 62MAS Vintage Dive Watch, read 2026-10-07T00:00:00Z
- Seiko Prospex SLA017 recreation of the original 62MAS, read 2026-10-07T00:00:00Z
- Seiko 62MAS 6217-8001 auction catalogue, read 2026-10-07T00:00:00Z
- Bonhams, All I Want for Christmas, lot 1111, read 2026-10-07T00:00:00Z
- Seiko 62MAS (6217-8001) versus the new SLA017 – Fratello, read 2026-10-07T00:00:00Z
- Seiko 62MAS – Zeit Quest, read 2026-10-07T00:00:00Z
SPB451J1Shown in the photograph
Manifest pictured scope SPB451J1. Existing family candidates are excluded.
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 40 mm | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
| Lug to lug | 46.4 mm | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
| Thickness | 13 mm | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
| Lug width | 20 mm | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
| Movement calibre | 6R55 | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
| Water resistance | 300 m | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
| Power reserve | 72 hours | Seiko SPB451J1 specifications One primary source. Page body states this value for the pictured reference. |
Sources and unconfirmed details
- Seiko SPB451J1 specifications, read 2026-10-07
More about the 62MAS
Lay a homage over the SeikoAny of the 10, laid over the original at one scale
Lay a homage over the Seiko
Slide to fade from one watch to the other and compare the case shapes. The figures below describe the version shown in the photograph.
40Seiko 62MAS
38Armida A12
40 mm placeholderCadisen C8207M
41Heimdallr 62MAS
39Phorcydes PH-4A
40 mm placeholderRdunae 62MAS diver
40 mm placeholderSan Martin SN007
38Seestern S404
40 mm placeholderSteeldive SD1962
40 mm placeholderTandorio 62MAS diver
37Watchdives WD1965Photos use listed case widths and automatic case-edge readings. The readings have not been manually audited. Photo proportions stay unchanged. Perspective and lug length can differ.Width unknown for one or both watches. The 40 mm placeholder does not show their true relative size. Photo proportions stay unchanged. Perspective and lug length can differ.Photos use listed case widths and automatic case-edge readings. The readings have not been manually audited. Photo proportions stay unchanged. Perspective and lug length can differ.Photos use listed case widths and automatic case-edge readings. The readings have not been manually audited. Photo proportions stay unchanged. Perspective and lug length can differ.Width unknown for one or both watches. The 40 mm placeholder does not show their true relative size. Photo proportions stay unchanged. Perspective and lug length can differ.Width unknown for one or both watches. The 40 mm placeholder does not show their true relative size. Photo proportions stay unchanged. Perspective and lug length can differ.Photos use listed case widths and automatic case-edge readings. The readings have not been manually audited. Photo proportions stay unchanged. Perspective and lug length can differ.Width unknown for one or both watches. The 40 mm placeholder does not show their true relative size. Photo proportions stay unchanged. Perspective and lug length can differ.Width unknown for one or both watches. The 40 mm placeholder does not show their true relative size. Photo proportions stay unchanged. Perspective and lug length can differ.Photos use listed case widths and automatic case-edge readings. The readings have not been manually audited. Photo proportions stay unchanged. Perspective and lug length can differ.
Seiko 62MAS photo: SPB451J1. Armida A12 photo: Armida A12 2018, grey dial, black bezel, black strap variant.Case width unknown. Shown with a 40 mm placeholder.
Seiko 62MAS photo: SPB451J1. Cadisen C8207M photo: C8207 image 1.41 mm, 1 mm wider than the Seiko
Seiko 62MAS photo: SPB451J1. Heimdallr 62MAS photo: 62MAS blue dial, steel bracelet.39 mm, 1 mm narrower than the Seiko
Seiko 62MAS photo: SPB451J1. Phorcydes PH-4A photo: PH-4A, black dial, Arabic numerals, bracelet.Case width unknown. Shown with a 40 mm placeholder.
Seiko 62MAS photo: SPB451J1. Rdunae 62MAS diver photo: Rdunae R6 Legendary Diver, black dial, black bezel, black nylon.Case width unknown. Shown with a 40 mm placeholder.
Seiko 62MAS photo: SPB451J1. San Martin SN007 photo: SN007-G-B grey dial, steel bracelet.38 mm, 2 mm narrower than the Seiko
Seiko 62MAS photo: SPB451J1. Seestern S404 photo: S404 62MASVLS silver dial, bracelet.Case width unknown. Shown with a 40 mm placeholder.
Seiko 62MAS photo: SPB451J1. Steeldive SD1962 photo: SD1962 62MAS style, black dial, steel bracelet.Case width unknown. Shown with a 40 mm placeholder.
Seiko 62MAS photo: SPB451J1. Tandorio 62MAS diver photo: TD230 62MAS, grey/black sunburst dial, black bezel, bracelet.37 mm, 3 mm narrower than the Seiko
Seiko 62MAS photo: SPB451J1. Watchdives WD1965 photo: WD1965 blue dial, black bezel, yellow seconds.
SPB451J1, specifications and sources
| Measure | Seiko | Armida A12 |
|---|---|---|
| Case width | 40 mm | 38 mm |
| Lug to lug | 46.4 mm | 48 mm |
| Thickness | 13 mm | 13.8 mm |
| Lug width | 20 mm | Not listed yet |
| Movement | 6R55 | NH35 |
| Power reserve | 72 hours | Not listed yet |
| Water | 300 m | 300 m |
| Price | Not tracked here | Not listed yet |
Side view
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