Seiko Prospex Diver’s Automatic Men’s Watch
£1,100

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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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Seiko Prospex Diver’s Automatic Men’s Watch (M123128)
Free Watch Adjustments
We can adjust your bracelet watch for free to make sure it’s the perfect fit.

A stylish watch that will look as good on land as it does beneath the waves, this Seiko Prospex Diver’s Automatic Men’s Watch is a modern interpretation of the brand’s original dive watch from 1968. Curved sapphire crystal adds to its vintage-inspired style.
At A Glance
- Presented on a stainless steel bracelet with three fold clasp, push button release and extender
- 40.5mm stainless steel case with a black uni-directional rotating bezel and 200m water resistance
- Curved sapphire crystal with anti-reflective treatment on the inside
- Grey dial with LumiBrite baton hour markers
- Date window at 3 o’clock
- Powered by an automatic movement with manual winding capacity
- 50 hours power reserve
Specification
Range | Prospex |
Collection | Prospex |
Supplier Code | SPB143J1 |
Strap/Finish | Stainless Steel |
Strap Type | Bracelet |
Watch Movement | Automatic |
Function | Date |
Water Resistancy | 200m |
Case Size (mm) | 40.5 |
Dial Colour | Grey |
Markers | Batons |
Clasp Type | Fold Over Clasp |
Glass Type | Sapphire Crystal Glass |
Manufacturer Warranty | 2 Years |