OMEGA Seamaster Diver 300M 42mm Co-Axial Master Chronometer Automatic Men's Watch
£5,900
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OMEGA Seamaster Diver 300M 42mm Co-Axial Master Chronometer Automatic Men's Watch | £5,900
Ring Size Guide
Ring Size | Circumference (mm) | Ring Size | Circumference (mm) |
---|---|---|---|
I | 48.0 | R | 58.9 |
J | 48.7 | S | 60.2 |
K | 50.0 | T | 61.4 |
L | 51.2 | U | 62.7 |
M | 52.5 | V | 64.0 |
N | 53.8 | W | 65.3 |
O | 55.1 | X | 66.6 |
P | 56.3 | Y | 67.8 |
Q | 57.6 | Z | 68.5 |
Please note that this is only a guide and will not take into account the style of ring. For example, if you are choosing a ring with a deep band width, you may need a larger size.
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OMEGA Seamaster Diver 300M 42mm Co-Axial Master Chronometer Automatic Men's Watch (M138846)

Delivering meticulous attention to detail, this OMEGA Seamaster Diver 300M 42mm Co-Axial Master Chronometer Automatic Men's Watch boasts a stylish underwater companion. Embracing the famous ocean heritage, the Summer Blue wave-pattern ceramic dial provides the sense of depth.
At A Glance
- Presented on a stainless steel bracelet and finished with a foldover clasp with comfort setting and diver extension
- 42mm case with 300m water resistance
- Ceramic dial in Omega’s own Summer Blue with skeleton hands and light blue hour markers
- Date window displayed at 6 o’clock
- Sapphire crystal glass
- Powered by an automatic movement
Specification
Supplier Code | 210.30.42.20.03.003 |
Range | OMEGA Seamaster |
Collection | Diver 300M |
Strap/Finish | Stainless Steel |
Strap Type | Bracelet |
Watch Movement | Automatic |
Function | Chronometer , Date |
Water Resistancy | 300m |
Case Size (mm) | 42 |
Dial Colour | Blue |
Markers | Dots |
Clasp Type | Fold Over Clasp |
Glass Type | Sapphire Crystal Glass |
Manufacturer Warranty | 5 Years |
Finish | Polished |