PROSPEX MEN’S WATCH SRPE39K1 - Blue, Black and Silver

Prospex collection:

Seiko Prospex: a lively story that surpasses even the wildest expectations of athletes and adventurers. Unique diver watches, dynamic pilot watches and specimens with rotating compass ring. No wish remains unanswered. Clocks with professional specifications to discover the world your way. On land, at sea and in the air. Experience Seiko technology.

Automatic timepiece:

A mechanical watch automatically recharges itself when worn by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the main spring of the watch to excite. This spring is the source of energy.

Caliber 4R36:

The 4R36 Seiko calibre with day/date display is a mechanical calibre. The watch automatically recharges itself during wear by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the main spring of the watch to excite. This spring is the source of energy. Hand-winding is also possible. When fully charged, the watch has an energy reserve of approx. 41 hours. The ticking number of this machine is 21,600 per hour and the watch has 24 jewels. The 4R calibre is manufactured entirely in-house.