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A new design for a new era

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SBGR253G

SBGR253

Heritage Collection

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Features

A 3-day power reserve with lasting quality

The watch has a maximum 3-day power reserve and combines the latest in hairspring technology with an escapement developed through the MEMS technology to achieve high accuracy and stability when worn.
The exterior exudes a strong sense of presence and a tireless luxury befitting the Grand Seiko standard.
The delicacy, strength and beauty of the movement can be enjoyed the exhibition case back.

Specifications

Exterior
Exterior: Stainless steel
Case back: See-through & Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
Case size: Diameter 37.0mm Lug-to-lug 44.6mm Thickness 13.3mm
Band width: 19mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 192mm
Movement
Caliber no.: 9S65 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: 10 bar
Magnetic resistance: 4,800 A/m
Weight: 140 g
Other details / Features:
  • 35 jewels

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 raise the performance of quartz to the high standards of Grand Seiko.