Seiko Prospex King Sumo Grey "Gradation" Diver Watch - SPB323J1 - 45.0mm

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Seiko Prospex Collection/ Sea Series
Seiko automatic watch with a stainless steel bracelet, super heard coated case with a ceramic unidirectional rotating bezel, grey coloured & patterned dial with a date window.

This watch shape is affectionately named Sumo by Seiko fans because of its size and shape and the 12 oclock marker its a substantially strong looking timepiece.

This latest design has been upgraded with new modern features, including a ceramic bezel and super hard coating on the case and bracelet for durability. A new 3 row bracelet has been specifically made for this model, while the clasp has also been upgraded. The dial features a fine pressed pattern dial with gradations of grey.

Prospex is a combination of the words 'Professional' and 'Specifications.' Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike. Since launching Japans first divers watch in 1965, Seikos innovative watchmaking has changed global dive watch standards.

Caliber Number: 6R35
Movement Type: Automatic with manual winding
Precision: +25 to -15 seconds per day
Power reserve: Approx. 70 hours
Functions: Stop second hand function
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock , push button release with extender
Distance between lugs: 20
Water Resistance: 200m / 660ft diver's
Weight: 190.0
Screw-down crown
Three-fold clasp with secure lock
Screw case back

More Information
Band Material: Stainless Steel
Face Diameter: 45mm
Case Material: Stainless Steel
Dial: Index Markings
Face: Grey
Glass Type: Sapphire Crystal
Watch Movement: Automatic
Water Resistance: 20 Bar
Brand Code: SPB323J1
Warranty: 2 Years
Barcode: 2636934
Postage & Returns

If you wish to return goods, you have a duty to keep them in your possession and to take reasonable care of them until you return them. Goods must be returned in their original condition, including immediate packaging, within the cooling off period.

You can return an item at either of the Rocks stores or return the items in their original packaging via post. You will incur the cost of postage if it is simply a change of mind.

For more information please read our full postage and returns policy.

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