Seiko Cal. 7023 - 311

This Hand-Winding model from 1979 features a 38mm Stainless Steel case. Powered by the 7023 caliber with 36j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-02009e18bde4]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1979

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