OMEGA
Ref. 234.30.41.21.01.001
Seamaster 300 Co-Axial 41mm
Ref. 234.30.41.21.01.001
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First introduced in 1957, the OMEGA Seamaster 300 was crafted specifically for divers and professionals working underwater, quickly becoming a symbol of technical precision and robust design. Over 60 years later, this iconic timepiece has been fully reimagined for a new generation of adventurers, combining heritage-inspired aesthetics with modern innovation.
This 41 mm stainless steel model features a striking black dial and a black oxalic anodized aluminium bezel, its diving scale filled with vintage Super-LumiNova for exceptional legibility. The recessed hour markers and open numerals, also treated with Super-LumiNova, complement the rhodium-plated hands, ensuring clarity in all conditions, above and below the surface.
Secured on an ergonomic stainless steel bracelet, the watch offers both comfort and style, while the transparent sapphire crystal caseback reveals the OMEGA Co-Axial Master Chronometer Calibre 8912, a movement celebrated for its precision, magnetic resistance, and reliability.
| Brand | OMEGA |
|---|---|
| Product Reference | 234.30.41.21.01.001 |
| Product Type | Watch |
| Collection | Seamaster |
| Sub-collection | Seamaster 300 |
| Case Diameter | 41mm |
| Case Material | Stainless Steel |
| Dial Colour | Black |
| Crystal | Sapphire |
| Strap Type | Bracelet |
| Clasp Type | Folding Clasp |
| Strap Material | Stainless Steel |
| Movement | Self-winding Calibre: OMEGA 8912 |
| Power Reserve | 60 Hours |
| Water Resistance | 300m / 1000ft |
| Warranty | 5 Years |
| Michael Spiers ID | 4031350 |
Delivery is made by Royal Mail Special Delivery and should reach you within 1-3 working days, excluding Bank Holidays and weekends.
Size Guide
Choosing the right ring size ensures maximum comfort and the perfect fit. If you already own a ring that fits well, you can easily use it as a reference. Otherwise, follow the simple options below to find your correct size.
If you do not know your ring size, we recommend visiting one of our showrooms, where our friendly and knowledgeable team can help you find the right ring size for you.
Request an AppointmentUK Ring Size Chart
| Size | UK Size |
|---|---|
| 01 | B |
| 02 | D |
| 03 | E-F |
| 04 | F |
| 05 | F-G |
| 06 | G |
| 07 | H |
| 08 | I |
| 09 | J |
| 10 | J-K |
| 11 | K-L |
| 12 | L |
| 13 | M-N |
| 14 | N-O |
| 15 | O-P |
| 16 | P |
| 17 | Q |
| 18 | Q-R |
| 19 | R |
| 20 | S |
| 21 | S-T |
| 22 | T-U |
| 23 | U-V |
| 24 | V |
| 25 | W |
| 26 | X |
| 27 | X-Y |
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