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Grand Seiko Heritage 'Tsuki Tenshin' - 'High Moon' Spring Drive 44GS SBGY009


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  • The Heritage Collection- honouring timepieces of the past
  • Presented in a 40mm stainless steel case with a navy crocodile leather strap
  • Powered by 9R31 calibre Spring Drive movement
  • Delivering accuracy to one second per day
  • Limited to just 1500 pieces


Embodying the unique Japanese Grand Seiko aesthetic, the Heritage Collection features a classic watch selection honouring some of the earliest Grand Seiko models.

Equipped with the latest movements, manufacturing techniques, and craftsmanship, the collection balances great performance with great designs for which Grand Seiko has always been renowned.


The 40mm stainless steel case houses a deep navy blue dial inspired by the shadows created by the moon at night.

This limited edition design is limited to just 1500 pieces, created to mark the anniversary of the notable ‘Grand Seiko Style’.

Spring Drive 9R31 calibre movement drives this timepiece with an accuracy of one second per day and a 72-hour power reserve. Effortlessly gliding across the dial, thanks to the exclusive movement, silver toned hands organise the dial alongside hour markers and iconic Grand Seiko branding.

Presented on a navy crocodile leather strap, this Heritage model is complete with water resistance up to 10 bar (100 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

Returns via post or a Watches of Switzerland Showroom.

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