Seiko Prospex SPB121 Alpinist Green Dial Brown Strap Pre-Owned The sky-blue dial includes glints

The sky-blue dial includes glints of stardust

Strap / bracelet: Black Genuine rubber strap w/ stainless steel buckle

PRO TREK teams up with MAMMUT for a whole new singular collaboration commemorating the Swiss outdoor brand's 160th anniversary

In a more compact design for the perfect casual fashion accessory for younger G-SHOCK fans

while the G-SHOCK Connected phone app provides access to a number of functions that support workouts

Seiko Prospex SPB121 Alpinist Green Dial Brown Strap Pre-Owned The sky-blue dial includes glintsModel: 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: Green Lume: Yes, Lumi Brite Caliber: Automatic 6R35 Power Reserve: 70 hours Water Resistance: 200 meters Bracelet Strap: Brown leather Lug Width: 20mm Manufactured: Japan