Seiko Prospex SPB507 Alpinist Mechanical Green Dial 3 Day Automatic Frederique Constant FC-306V4S4 This compact design is based

This compact design is based on the popular GA110 and brings metallic translucence to the ever-popular analog-digital G-SHOCK design

Dual time display

The stainless steel case with an ivory dial and luminescent hands and markers also features a center track on the dial displaying 24H time

and total distance

Case height: 15 mm

Seiko Prospex SPB507 Alpinist Mechanical Green Dial 3 Day Automatic Frederique Constant FC-306V4S4 This compact design is basedMovement: Automatic Caliber: 6R55 Precision: +25 to 15 seconds per day Power Reserve: Approximately 72 hours (3 days) Jewels: 24 Case Material: Stainless steel (super hard coating) Case Thickness: 12. 7 mm Case Diameter: 39. 5 mm Case Length (Lug to Lug): 46. 4 mm Crystal: Sapphire crystal with magnifier Crystal Coating: Anti reflective coating on inner surface LumiBrite: On hands and indexes Band Material: Cow leather Clasp: Three fold clasp with