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SBGR257G

SBGR257

Heritage Collection

Php 237,650.00

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Features

A high-quality 3-day automatic

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 39.4mm Lug-to-lug 46.8mm Thickness 13.5mm
Band width: 19mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 206mm
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: 160 g
Other details / Features:
  • Screw-down crown
  • 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.