Seiko Prospex Alpinist Automatic 39.5 mm SPB121J1

This Seiko Prospex Alpinist Automatic 39.5 mm SPB121J1 watch is inspired by models from the 60s and equipped with reliable Seiko movements. At 38 mm a sporty and robust design, with a beautiful green dial.

The 6R54 Seiko caliber with date display and 24-hour hand is a mechanical caliber. The watch automatically charges itself while worn by converting the wearer's arm and wrist movements into energy. Movement of the watch causes the mainspring of the watch to be wound. This spring is the energy source. Manual winding is also possible. When the watch is fully charged it has a power reserve of approximately 72 hours. The ticking number of this automatic is 21,600 per hour and the watch has 24 jewels.
The 6R caliber is manufactured entirely in-house.