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Grand Seiko 'Ushio Blue' Spring Drive Diver's Watch 43.8mm Mens Watch SLGA023


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  • Evolution 9 Collection- a new era of watchmaking
  • Presented in a 43.8mm high-intensity titanium case with co-ordinating bracelet
  • Powered by 9RA5 calibre- a next generation movement
  • Delivering 10 seconds per month accuracy
  • Water resistance up to 20 bar (200 metres)


Paving the way for future timepieces, the Evolution 9 Collection showcases new designs for a new era.

Drawing on confident lines, powerful presence, and quiet radiance, this collection speaks to new generations while remaining connected the traditions and culture of Japan.


This diver’s watch is presented in a 43.8mm high intensity-titanium case paired with a co-ordinating bracelet. Fastened by a three fold clasp with secure lock and push button release, this timepiece prioritises safety as well as style.

Featuring a blue variation of the ‘ushio’ dial, equipped with LumiBrite hands and indexes, this model offers increased visibility in all conditions.

Below the patterned dial, 9RA5 calibre, a next generation movement, powers this Evolution 9 Collection piece delivering precision to 10 seconds per month and a providing a power reserve of 120 hours- 5 days when fully wounded.

For ultimate performance during dives, this watch features a power reserve indicator display, screw down crown, and water resistance up to 20 bar (200 metres).

Delivery & Returns

Delivery Options

We offer a range of delivery options to suit your needs. Please check the details at the top of the page for this product's specific delivery options.

Free Express Delivery (7 Days a Week) - Express delivery is available on all items, everything that is immediately available and ordered by 9pm (Monday to Sunday) will be delivered the following day. You are shown during the checkout whether this option is available for your order. Orders received by 9pm (Monday to Sunday) may be delivered the following day, but this cannot be guaranteed.

Special Orders - Special orders are products with an extended lead time. Lead time information is displayed on the product page and in the shopping bag. This denotes the amount of time between taking your order and it's estimated date of dispatch.

For more general information on Delivery, please click here.

Click & Collect

Free Click & Collect from any mainland showroom (excluding airports and orders paid for by PayPal or Interest Free Credit).

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Returns Policy

30 Days Returns via post or a Watches of Switzerland Showroom.

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