GRAND SEIKO

SBGJ239G

Grand Seiko Sport 9S Hi-Beat GMT SBGJ239G

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Grand Seiko Sport 9S Hi-Beat GMT SBGJ239G

This timepiece achieves unparalleled functionality as the rotating 24-hour bezel—simultaneously displays three different time zones. The design has a profound presence, while still maintaining the traditional shine of a classic Grand Seiko model. Combined with a tough exterior, water resistant down to 20 bar and highly resistant to shocks, this timepiece has been perfected as the ideal luxurious sports watch for those active on the global stage. The high-quality sapphire glass on the surface of the ring provides a strong sense of transparency, breadth and depth.

Exterior
Exterior: Stainless steel
Case back: Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, indexes and bezel
Case size: Diameter 44.2mm Lug-to-lug 50.6mm Thickness 14.4mm
Band width: 21mm
Band Material: Leather Strap
Clasp type: Three-fold clasp with push button release
Movement
Caliber no.: 9S86
Movement Type: Automatic with manual winding
Power reserve: Approx. 55 hours
Mean daily rate: +5 to -3 seconds per day
Functions
Water resistance: 20 bar
Magnetic resistance: 4,800 A/m
Other details / Features:
  • Rotating bezel (24-hour display)
  • Screw-down crown
  • 37 jewels
  • 24-hour hand (dual time display function)
  • Calendar-linked time difference adjustment function

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