
Grand Seiko
Sport
Ref. SBGE255
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Specifications
Reference
- Collection
- Sport
- Reference
- SBGE255
Case
- Material
- Stainless steel with ceramic bezel
- Size
- 40.5 mm
- Water resistance
- 200 m
Movement
- Calibre
- Spring Drive
- Power reserve
- 72 hours
About this reference
Equipped with a GMT hand, this watch features Grand Seiko’s unique Spring Drive caliber, which combines the motive force of a mainspring with the high precision of a quartz watch. Housed in a water-resistant stainless steel case with ceramic bezel, a 24-hour GMT hand and Lumibrite indices for exceptional precision and legibility complemented by the smooth motion glide of Spring Drive. 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: Folding clasp with push button release. 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: Screw-down crown 30 jewels 24-hour hand (dual time display function) Power reserve indicator Calendar-linked time difference adjustment function.
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