Seiko Prospex SPB117 Alpinist Black Dial Steel Bracelet Muhle Glashutte Strap / bracelet buckle: Black

Strap / bracelet buckle: Black bio based polyamie (based on ricinus oil)

Strap: Nylon

as well as be an easy to read timepiece for a pilot

LUG WIDTH: 18mm

Case material IP Gold-Plated Stainless Steel Brushed Metal

Seiko Prospex SPB117 Alpinist Black Dial Steel Bracelet Muhle Glashutte Strap / bracelet buckle: BlackModel: Prospex 'Alpinist' Reference: SPB117 Functions: Hours, minutes, seconds, date, inner compass bezel Material: Stainless steel Dimensions: 39. 5mm diameter; 13. 2mm thickness Front Crystal: Sapphire Caseback: Mineral crystal Dial: Black Lume: Yes, Lumi Brite Caliber: Automatic 6R35 Power Reserve: 70 hours Water Resistance: 200 meters Bracelet Strap: Stainless steel bracelet with micro adjustment Lug Width: 20mm Manufactured: Japan