Steinhart 

Nav-B Chrono 42 Classic A-Type Automatic Black

Model: 108-1121

Movement: ETA Valjoux 7750 Elabore Premium Automatic; 25 Jewels

Power Reserve: 48 Hours

Dial Color: Black with (2) Main Subdials at 6:00 and 12:00 with Small Seconds at 9:00

Case Size: 42 mm

Case Thickness: 16 mm

Lug to Lug: 49.8 mm

Case Material: Satin Finish Stainless Steel

Case Back: Stainless Steel with 316L Screwed with Exhibition Sapphire Crystal

Crown: Onion Shaped, Screw Down

Crystal: Sapphire Glass Domed, with Double AR Coating on the Interior Side

Hands: Silver with White SuperLuminova BGW9

Bezel: Fixed; Polished Stainless Steel

Strap: Original Lamb Skin Black with Rivets

Lug Width: 20 mm

Water Resistance: 5 ATM/50 M

Calendar: Date at 6:00

Included: Box; Papers; Warranty; Original Leather Strap