Seiko Prospex Diver’s Sumo Solar Chronograph Men’s Watch


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Item code: M123120

    Out of stock

    Seiko Prospex Diver’s Sumo Solar Chronograph Men’s Watch | £590

    Ring Size Guide

    Ring Size Circumference (mm) Ring Size Circumference (mm) Ring Size Circumference (mm)
    J 48.7 P 56.3 V 64.0
    K 50.0 Q 57.6 W 65.3
    L 51.2 R 58.9 X 66.6
    M 52.5 S 60.2 Y 67.8
    N 53.8 T 61.4 Z 68.5
    O 55.1 U 62.7
    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 Sumo Solar Chronograph Men’s Watch (M123120)


    Combining bold, powerful looks with high-tech innovation, this Seiko Prospex Diver’s Sumo Chronograph is as substantial and strong as its nickname suggests. The powerful solar battery is charged by both natural and electric light.


    At A Glance


    • Presented on a stainless steel bracelet with three fold clasp, push button release and extender
    • 44.5mm stainless steel case with a black uni-directional rotating bezel and 200m water resistance
    • Sapphire crystal
    • Black dial with LumiBrite dot hour markers
    • Date window at 4:30
    • Three chronograph sub-dials
    • Battery charge indicator and overcharge prevention function
    • Powered by a solar movement
    • Up to 6 months battery life when fully charged

    Read more


    Range Prospex
    Collection Sumo
    Supplier Code SSC757J1
    Strap/Finish Stainless Steel
    Strap Type Bracelet
    Watch Movement Solar Powered
    Function Chronograph, Date
    Water Resistancy 200m
    Case Size (mm) 44.5
    Dial Colour Black
    Markers Batons
    Clasp Type Fold Over Clasp
    Glass Type Sapphire Crystal Glass
    Manufacturer Warranty 2 Years

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