Seiko Prospex is one of the flagship collections. Its raison d'etre: precise and reliable watches, even in the most difficult conditions, capable of withstanding the stresses and overcoming the constraints of water, air and land sports. A perfect combination of sophisticated technology and thoughtful design, the Prospex collection includes diving watches that comply with Seiko "Diver's" standards.

Seiko Alpinist SPB251J1

External components

Case: Stainless steel, yellow gold-tone coating

Crown: Stainless steel

Glass: Curved sapphire

Indexes: Lumibrite

Hands: Lumibrite

Bracelet: Leather

Buckle/Clasp: Triple folding clasp with push button release

Water resistance: Diver's 200 meters (professional diving)

Case opening: 38 mm

Thickness: 12.9㎜

Movement

Automatic

Caliber: 6R35

Functions: 3 hands, Date, Manual winding possible

Power reserve: 70 hours at full charge