RACING STEEL / AUTOMATIC NH35A / BLACK

Technical Specifications:
Case Diameter: 42 mm
Thickness: 12,5 mm
Lug: 22 mm
Glass: Sapphire
Water Resistance: 10 ATM (=100 m)
Bidirectional Bezel

Functions:
Central hours
Central minutes
Central seconds
Date calendar at 3
Simple calculations (eg. how to make a multiplication, a division)
Aviation functions (eg. how to calculate hourly speed, miles or km per minute, fuel consumption)
Conversion functions (eg. conversion into nautical miles, statute or km, exchange rates)

Movement Specifications:
SII or TMI cal. NH35A (by Seiko Group)
Automatic, self-winding mechanical
Ruby jewels: 24
Shock system: Diashock
Barrel Spring: -
Frequency: 3 Hz (21.600 vph)
Daily rate: from ±20 to ±40 s/day
Power reserve: ~42 h
Hand-windable?: yes
Hacking seconds?: yes
Quickset date?: yes
Country of manufacture: Japan