Omega Speedmaster homages

Start with the chronograph you need.

42 mm across7 homages

See three to start with

Omega Speedmaster 310.30.42.50.01.001 — The watch shown is the 310.30.42.50.01.001.

How to recognise one

Five marks make the look. The count says how many of the 7 homages keep each one.

Black tachymeter bezel
3 of 7 keep it, 4 not compared yet. A black bezel with a white tachymeter scale running from 60 to 500.
Three subdials
1 of 7 keep it, 6 not compared yet. Three small recessed dials, two up at 9 and 3 and one at 6.
Baton hour markers
Lumed sticks at the hours on a black dial, a wider one at 12.
Baton hands
Straight lumed hour and minute hands over a thin seconds hand.
Asymmetric case
0 of 7 keep it, 6 not compared yet. The case is built out on the right to carry the crown and two pushers.

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.

Corgeut 3022-SL
about £98 $130, seen 2 Oct41.2 mm
Closest look. Keeps 2 of the 5 marks of the Speedmaster, more than any other homage here.
Watchdives WD1863 Space Pilot
about £104 $139, seen 2 Oct41 mm
Next lowest price. The second lowest price listed here, after the Corgeut 3022-SL.
Alpha Mechanical chronograph
about £142 €165.29, seen 2 Oct42 mm
Same size as the Speedmaster. 42 mm across, the same width as the 42 mm Speedmaster.

The other 4, to scale

Most marks kept first.

Filter all 7 in the finder

Pagani Design PD-1701
about £123 €142.95, seen 2 Oct40 mm
Bliger Checker-ring chronograph
Price and size not listed yet
Pagani Design PD-1779
Price and size not listed yet
Phylida ST1901 chronograph
40 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.

310.30.42.50.01.001Shown in the photograph

Current steel-bracelet Hesalite Speedmaster Moonwatch Professional with calibre 3861.

Specifications for 310.30.42.50.01.001
Specification	Value	Sources and notes
Case width	42 mm	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports 42 mm for ref. 310.30.42.50.01.001; treat as a single-source figure.
Lug to lug	47.5 mm	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports 47.5 mm for ref. 310.30.42.50.01.001; treat as a single-source figure.
Thickness	13.54 mm	Speedmaster Moonwatch Professional 42 mm, steel on steel, 310.30.42.50.01.001 One primary source. Omega’s exact-reference Technical Data lists 13.54 mm and defines thickness as base of watch to glass surface. Bernard Watch lists 13.2 mm; retain that retailer figure as a conflict, but select Omega’s manufacturer-defined measurement. Sources differ Omega lists 13.54 mm and defines thickness as base-to-glass. Bernard Watch lists 13.2 mm. The figures differ and the listing does not define its measurement method. Select Omega’s exact-reference manufacturer specification. 13.54 mmSpeedmaster Moonwatch Professional 42 mm, steel on steel, 310.30.42.50.01.001 13.2 mmOmega Speedmaster Moonwatch 310.30.42.50.01.001 listing
Lug width	20 mm	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports 20 mm for ref. 310.30.42.50.01.001; treat as a single-source figure.
Movement type	manual-winding chronograph	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports manual-winding chronograph for ref. 310.30.42.50.01.001; treat as a single-source figure.
Movement calibre	Omega 3861	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports Omega 3861 for ref. 310.30.42.50.01.001; treat as a single-source figure.
Case material	stainless steel	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports stainless steel for ref. 310.30.42.50.01.001; treat as a single-source figure.
Crystal	Hesalite	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports Hesalite for ref. 310.30.42.50.01.001; treat as a single-source figure.
Functions	12-hour chronograph and small seconds	Omega Speedmaster Moonwatch 310.30.42.50.01.001 listing One cited source. One read source reports 12-hour chronograph and small seconds for ref. 310.30.42.50.01.001; treat as a single-source figure.