Grand Seiko
Grand Seiko Sport Collection Hotaka Summer LE Spring Drive GMT Watch SBGE305
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This limited edition commemorates the 20th anniversary of Grand Seiko's original Spring Drive movement, Caliber 9R, which was created in 2004.
The dark red dial of this new Sport Collection GMT takes inspiration from a vivid sunrise as it illuminates the steep landscape of Japan’s Hotaka mountain range in summer. As with all Grand Seiko GMT watches, its ease of use is ensured through the local hour hand, which can be set independently, forward or backward, while the watch is running, ensuring precision is maintained when changing time zones according to one’s travels. Set against the dark red dial, the silver GMT hand further enhances the high legibility for which Grand Seiko is renowned.
The ideals of a Grand Seiko sports watch are fully apparent in this new creation, which features a scratch-resistant ceramic bezel. The crown and the case back are secured by screw-down mechanisms, and the watch is water resistant to 20 bar.
Exterior
Exterior: Stainless steel with ceramic bezel
Case back: Screw case back
Glass Material: Dual-curved sapphire crystal
Glass Coating: Anti-reflective coating on inner surface
LumiBrite: Lumibrite on hands and index(es)
Case size: Diameter 40.5mm Lug-to-lug 48.7mm Thickness 14.7mm
Band width: 20mm
Clasp type: Three-fold clasp with push button release
The perimeter of Band: 195mm
Movement
Caliber no.: 9R66 Instructions
Movement Type: Spring Drive
Power reserve: Approx. 72 hours(3 days)
Accuracy: ±15 seconds per month (±1 second per day)
Functions
Water resistance: 20 bar
Magnetic resistance: 4,800 A/m
Weight: 172 g
Other details / Features:
LIMITED EDITION on the case back
Serial number engraved on the case back
Screw-down crown
30 jewels
24-hour hand (dual time display function)
Power reserve indicator
Calendar-linked time difference adjustment function
