Grand Seiko ‘Mid-Heaven’ – SBGM253G Mechanical GMT Limited Edition

£5,350.00

Inspired by the clear blue sky as seen from the top of Mt. Iwate

A limited-edition watch commemorating the 25th anniversary of the Caliber 9S mechanical movement.
Its design depicts the clear blue sky as seen from the top of Mt. Iwate, the soaring peak visible through the windows of the Grand Seiko Studio Shizukuishi, where Grand Seiko mechanical watches are assembled. A classic form prevails thanks to this creation’s mirror-finished bezel and case, gently curved lugs with Zaratsu polishing, and a box-shaped sapphire crystal. Inside is the Grand Seiko Caliber 9S66.
Assembled at the Grand Seiko Studio Shizukuishi by skilled craftsmen and women, the self-winding Caliber 9S66 is a GMT movement that runs for approximately 72 hours when fully wound.

Reference: SBGM253G

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Description

Grand Seiko ‘Mid-Heaven’ – SBGM253G Mechanical GMT Limited Edition

Limited edition of 1,700 pcs, Automatic 3-Day Power Reserve GMT, Calibre 9S 25th Anniversary Limited Edition

Specifications

Exterior

  • Exterior: Stainless steel
  • Case back: See-through case back
  • Case back with 6 screws
  • Glass Material: Box shaped sapphire crystal
  • Glass Coating: Anti-reflective coating on inner surface
  • Case size: Diameter 39.5mm Lug-to-lug 46.9mm Thickness 13.7mm
  • Band width: 19mm
  • Clasp type: Three-fold clasp with push button release

Movement

  • Caliber no.: 9S66 Instructions
  • Movement Type: Automatic with manual winding
  • Power reserve: Approx. 72 hours(3 days)
  • Mean daily rate: +5 to -3 seconds per day
  • Mean daily rate is a mean value of daily rates in a condition where the movement before assembly in a case is measured in six positions in a fixed manner under artificially controlled environment for 12 days.

Functions

  • Water resistance: Splash Resistant
  • Magnetic resistance: 4,800 A/m

Other details / Features:

  • LIMITED EDITION on the case back
  • Serial number engraved on the case back
  • 35 jewels
  • 24-hour hand (dual time display function)
  • Calendar-linked time difference adjustment function

Reference: SBGM253G

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