Seiko SBGA011
Spring Drive is Seiko’s exclusive movement that achieves an unprecedented level of accuracy (+/- 15 seconds per month on average, equivalent to +/- 1 second per day) by regulating a spring-driven watch with state-of-the-art electronic technology that functions without batteries or other external power source.
Product Description
REF. SBGA011
Driving system: Spring Drive
Caliber No. 9R65
Case High-intensity titanium Case back: High-intensity titanium and sapphire crystal
Glass High definition dual-curved sapphire crystal
Coating Anti-reflection coating on inner surface
Clasp Three-fold clasp with push button release
Power reserve Approximately 72 hours
Accuracy ±1 per day (±15 seconds per month)
Water resistance 10 bar
Magnetic resistance 4800 A/m (60 gauss)
Weight 100.0 g
Case size Diameter 41.0mm Thickness 12.5mm
Remarks
・Screw down crown
・Screw back
・See-through back
・Anti-metal allergy
・Jewels: 30
・Power reserve display function
