Grand Seiko Heritage Collection SLGH005 Heritage Collection White Birch
Exterior: Stainless steel Case back: Stainless steel and sapphire glass
Back lid specifications: See-through screw back
Glass material: box-shaped sapphire
Coating: Internal anti-reflective coating
Case size: Width 40.0mm Height 47.0mm Thickness 11.7mm
Band width: 22mm
Nakadome: One-push three-fold method
Arm circumference (longest): 190mm
Movement: 9SA5 Instructions
Drive system: Mechanical automatic winding (with hand winding)
Driving period: Lasts approximately 80 hours at maximum winding
Static accuracy: average daily difference +5 seconds to -3 seconds
Accuracy is based on Grand Seiko's own standards when measuring the movement as a single unit before shipment from the factory under conditions of 6 position differences and 3 temperature differences. Accuracy under the environment in which the customer will actually use it (mobile accuracy) differs. Also, due to the characteristics of mechanical models, the accuracy range described above may be exceeded depending on the conditions of use (time of use, temperature, arm movements, strong shocks or vibrations).
Mobile accuracy: +8~-1 seconds per day
Waterproof: Reinforced waterproof for daily life (10 ATM)
Antimagnetic: Yes
Weight: 178g
others:
Screw lock crown
