Seiko Cal. 7168 - 631

The Seiko 7168-631 represents an important milestone in Seiko's 1973 lineup. Powered by the 7168 caliber with 36j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-3e520a56a9cb]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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