Omega Speedmaster Professional Moonwatch 3870.50.31
The Omega Speedmaster ref. 3870.50.31 was in production from 1996 to 2014, as the alligator strap version of the classic Speedmaster Professional. It features a stainless steel case with closed caseback and a hesalite crystal. The alligator strap is fitted with a folding clasp.
| Reference | 3870.50.31 |
|---|---|
| Collection | Speedmaster Moonwatch |
| Case diameter | 42 mm |
| Case material | Stainless Steel |
| Bezel | Tachymeter |
| Case shape | Round |
| Case back | Closed |
| Lug width | 20.00 mm mm |
| Movement | Omega caliber 1861Small |
| Water resistance | 50 m |
| Dial colour | Black |
| Indexes | Stick / Dot |
| Hands | Stick |
| Crystal | Plexi |
| Year introduced | 1996 |
| Limited edition | Yes |
This is a reference-catalog entry for the Omega Speedmaster Professional Moonwatch 3870.50.31. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
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