GRAND SEIKO

SBGE227G

Grand Seiko Spring Drive GMT Mens Watch SBGE227G

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Grand Seiko Spring Drive GMT Mens Watch SBGE227G

This model features a Spring Drive, the third movement mechanism, combining the motive force of a mainspring found in mechanical watches with the high precision of a quartz watch, as well as a GMT indicator, all incorporated into a classic design. The motion of the second hand, smoothly gliding over the black dial, is enabled by the watch’s exclusive sweeping mechanism.

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 40.2mm Lug-to-lug 48.5mm Thickness 14.0mm
Band width: 19mm
Band Material: Leather Strap
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 187mm
Movement
Caliber no.: 9R66 
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)
Functions
Water resistance: 10 bar
Magnetic resistance: 4,800 A/m
Other details / Features:
  • 30 jewels
  • 24-hour hand (dual time display function)
  • Power reserve indicator
  • Calendar-linked time difference adjustment function

 

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