Grand Seiko ‘Unkai’ – ‘Sea of Clouds’ SBGJ275G Hi-Beat GMT Limited Edition

£7,250.00

Inspired by a sea of clouds at daybreak

A new limited-edition watch commemorates the 25th anniversary of the Calibre 9S mechanical watch movement.

The new GMT watch lifts the imagination skyward with a beautiful blue dial that illustrates a sea of clouds at daybreak. In the early morning, humid air forms dense clouds that overlap to create a beautiful tapestry in the sky. The shade of blue is inspired by the sky over Mt. Iwate when it is blanketed by this sea of clouds. A rotating sapphire bezel in blue and white elevates the design while allowing for a total of three time zones to be read at once.

Inside is the Grand Seiko Calibre 9S86. Assembled at the Grand Seiko Studio Shizukuishi by skilled craftsmen and women, the Calibre 9S86 beats 10 times per second, enhancing rate stability.

Reference: SBGJ275G

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Description

Grand Seiko ‘Unkai’ – ‘Sea of Clouds’ SBGJ275G Hi-Beat GMT Limited Edition

Sport Collection Calibre 9S 25th Anniversary Limited Edition SBGJ275

Specifications

Exterior

  • Exterior: Stainless steel, Caseback: Stainless steel and sapphire crystal
  • Case back: See-through & Screw case back
  • Glass Material: Dual-curved sapphire crystal
  • Glass Coating: Anti-reflective coating on inner surface
  • LumiBrite: LumiBrite on hands, index(es) and bezel
  • Case size: Diameter 44.2mm Lug-to-lug 50.6mm Thickness 14.8mm
  • Band width: 21mm
  • Clasp type: Three-fold clasp with push button release
  • The perimeter of Band: 201mm

Movement

  • Calibre no.: 9S86 Instructions
  • Movement Type: Automatic with manual winding
  • Power reserve: Approx. 55 hours
  • 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: 20 bar
  • Magnetic resistance: 4,800 A/m
  • Weight: 188 g

Other details / Features:

  • Rotating bezel
  • Screw-down crown
  • 37 jewels
  • 24-hour hand (dual time display function)
  • Calendar-linked time difference adjustment function

Reference: SBGJ275G

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