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A new design for a new era

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SBGH368J

SBGH368

Heritage Collection

Apr.2025Released

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Features

Specifications

Exterior
Exterior: 18k rose gold
Case back: See-through & Screw case back
Glass Material: Box shaped sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 38.0mm Lug-to-lug 44.7mm Thickness 12.9mm
Band width: 20mm
Band Material: Crocodile leather
Movement
Caliber no.: 9S85 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.
Normal usage accuracy: +8 to -1 seconds per day
Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Other details / Features:
  • Screw-down crown
  • 18K rose gold clasp
  • 37 jewels
Watch finder

The three movements at the heart of Grand Seiko

9SMechanical

One of the world's foremost mechanical movements, the culmination of high-precision micro-engineering and the attention to detail of Seiko's expert watchmakers.

9RSpring Drive

Spring Drive is a unique movement that delivers one second a day precision, using just the power of a mainspring.

9F Quartz

The ultimate quartz movement. Caliber 9F incorporates several unique technologies that rise the performance of quartz to the high standards of Grand Seiko.