Omega Seamaster 300 homages
5 homages of the Omega Seamaster 300, each drawn to scale beside it with price, movement and size.
41 mm across5 homages
See three to start with
How to recognise one
Five marks make the look. The count says how many of the 5 homages keep each one.
Black dive bezel
A black bezel with cream numerals every ten minutes and a lumed dot at 12.
Broad arrow hour hand
The hour hand ends in a broad lumed arrowhead.
Large triangle markers
Big cream lume triangles stand at most of the hours.
Arabic numerals
Cream numerals mark 12, 9, 3 and 6 between the triangles.
Lollipop seconds hand
A long thin seconds hand ends in a lume disc past the centre.
Each close-up covers about 12.5 mm of watch, using the listed case width and estimated photo edges.
Three to start with
Picked from the record by marks kept, price and size, each sold under its own maker's name, not as an Omega.
Hruodland F025 Retro Sharkmaster
about £116 $154, seen 2 Oct40 mm
Lowest price. The lowest price listed here.
Helson Sharkmaster 300
ETA 2824-2.
Price and size not listed yet
Phylida Seamaster 300 no-date
NH38A.
Price and size not listed yet
The other 2, to scale
Most marks kept first.
- Ticino Depthmaster
40 mm
Price not listed yet
- Watchdives WD1967 Sharkmaster 300
38 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.
234.30.41.21.03.001
Assignment names exact reference 234.30.41.21.03.001.
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 41 mm | Seamaster 300 Co-Axial Master Chronometer 41 mmOmega Seamaster 300 234.30.41.21.03.001 - Latest Reviews Sources agree. Independent publishers agree on 41 mm for ref. 234.30.41.21.03.001. |
| Lug to lug | 48 mm | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. Omega specifies 48.00 mm; The 1916 Company reports 48.1 mm, a 0.1 mm rounded-review difference. The official exact value is selected and the independent observation is retained. Sources differRead sources report different values; see any field selection note for the chosen measurement basis. |
| Thickness | 13.85 mm | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. Omega specifies 13.85 mm; The 1916 Company rounds this to 14 mm. The official exact value is selected and the independent observation is retained. Sources differRead sources report different values; see any field selection note for the chosen measurement basis. |
| Lug width | 21 mm | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies 21 mm for ref. 234.30.41.21.03.001; no independent matching observation was read. |
| Movement type | automatic | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies automatic for ref. 234.30.41.21.03.001; no independent matching observation was read. |
| Movement calibre | 8912 | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies 8912 for ref. 234.30.41.21.03.001; no independent matching observation was read. |
| Case material | stainless steel | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies stainless steel for ref. 234.30.41.21.03.001; no independent matching observation was read. |
| Crystal | sapphire | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies sapphire for ref. 234.30.41.21.03.001; no independent matching observation was read. |
| Water resistance | 300 m | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies 300 m for ref. 234.30.41.21.03.001; no independent matching observation was read. |
| Power reserve | 60 hours | Seamaster 300 Co-Axial Master Chronometer 41 mm One primary source. The manufacturer's read technical material specifies 60 hours for ref. 234.30.41.21.03.001; no independent matching observation was read. |
Sources and unconfirmed details
- Seamaster 300 Co-Axial Master Chronometer 41 mm, read 2026-10-07T00:00:00Z
- Omega Seamaster 300 Master Chronometer review, read 2026-10-07T00:00:00Z
- Omega Seamaster 300 234.30.41.21.03.001 - Latest Reviews, read 2026-10-07T00:00:00Z
234.30.41.21.01.001Shown in the photograph
Manifest photograph identifies 234.30.41.21.01.001 black. Exact source limitations recorded below.
| Specification | Value | Sources and notes |
|---|---|---|
| Case width | 41 mm | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Lug to lug | 48 mm | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Thickness | 13.85 mm | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Lug width | 21 mm | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Movement type | automatic | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Movement calibre | 8912 | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Water resistance | 300 m | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
| Power reserve | 60 hours | omegawatches.jp | 234.30.41.21.01.001 One primary source. Selected from the body-read source for the pictured model. |
Sources and unconfirmed details
- omegawatches.jp | 234.30.41.21.01.001, read 2026-10-07
More about the Seamaster 300
Lay a homage over the Seamaster 300Any of the 5, laid over the original at one scale
Lay a homage over the Seamaster 300
Slide to fade from one watch to the other and compare the case shapes. The figures below describe the version shown in the photograph.
41Omega Seamaster 300
40 mm placeholderHelson Sharkmaster 300
40Hruodland F025 Retro Sharkmaster
40 mm placeholderPhylida Seamaster 300 no-date
40Ticino Depthmaster
38Watchdives WD1967 Sharkmaster 300Width 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.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.
Omega Seamaster 300 photo: 234.30.41.21.01.001. Helson Sharkmaster 300 photo: black no-date · steel.40 mm, 1 mm narrower than the Seamaster 300
Omega Seamaster 300 photo: 234.30.41.21.01.001. Hruodland F025 Retro Sharkmaster photo: brown · tan · brown leather.Case width unknown. Shown with a 40 mm placeholder.
Omega Seamaster 300 photo: 234.30.41.21.01.001. Phylida Seamaster 300 no-date photo: green engraved wave no-date · steel.40 mm, 1 mm narrower than the Seamaster 300
Omega Seamaster 300 photo: 234.30.41.21.01.001. Ticino Depthmaster photo: Depthmaster on zulu strap.38 mm, 3 mm narrower than the Seamaster 300
Omega Seamaster 300 photo: 234.30.41.21.01.001. Watchdives WD1967 Sharkmaster 300 photo: WD1967 V2 black dial, 12/3/6/9.
234.30.41.21.01.001, specifications and sources
| Measure | Seamaster 300 | Hruodland F025 Retro Sharkmaster |
|---|---|---|
| Case width | 41 mm | 40 mm |
| Lug to lug | 48 mm | 47.5 mm |
| Thickness | 13.85 mm | 12.5 mm |
| Lug width | 21 mm | 20 mm |
| Movement | 8912 | Hangzhou 2565A |
| Power reserve | 60 hours | Not listed yet |
| Water | 300 m | 200 m |
| Price | Not tracked here | about £116 $154, seen 2 Oct |
Side view
Copies
Not compared yet
Gives it away
No difference noted