Omega Seamaster Diver 300M Automatic 42mm automatic watch, black dial
O21030422001018
£6,100
Price at Goldsmiths, checked 28 October 2026. Prices can change: Goldsmiths' page has the final word.
This version: black dial, stainless steel case, stainless steel bracelet. Goldsmiths has 4 versions of the Seamaster Diver 300M Automatic in stock: compare them.
42mmAutomatic300 m water resistantStainless steelMen's
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Specifications
| Brand | Omega |
|---|---|
| Model | Seamaster Diver 300M Automatic |
| Reference | O21030422001018 |
| Gender | Men's |
| Style | — |
| Case size | 42mm |
|---|---|
| Lug to lug | — |
| Case material | Stainless steel |
| Bezel | — |
| Dial colour | Black |
| Strap | Stainless steel |
Will 42mm suit your wrist? Check your size
| Movement | Automatic |
|---|---|
| Calibre | 8806 |
| Power reserve | — |
| Water resistance | 300 m |
| Crystal | — |
| Thickness | — |
| Date | — |
| Guarantee | Omega 5 Year Guarantee |
A dash means neither Goldsmiths nor Omega states it on the pages we read, so it's left blank rather than guessed.
Description
Delivery & returns
Other versions of the Omega Seamaster Diver 300M Automatic
The same watch in 4 versions at Goldsmiths: here's what changes. Prices are Goldsmiths' own, checked daily.
| Reference | Dial | Case | Strap or bracelet | Price |
|---|---|---|---|---|
| O21030422001018 This one | Black | Stainless steel | Stainless steel | £6,100 |
| O21032422001006 | Black | Stainless steel | Stainless steel | £5,800 |
| O21062422001003 | Black | 18ct yellow gold | Rubber | £29,300 |
| O21052422004001 | White | 18ct rose gold | Rubber | £29,900 |