Seiko Cal. 7164 - 688

This Hand-Winding model from 1980 features a 37mm Hardlex-Coated Steel case. Powered by the 7164 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-6b7af350a27d]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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