Seiko Cal. 7023 - 731

This Quartz model from 1971 features a 42mm PVD Black case. Powered by the 7023 caliber with 32j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-ec7363189eb1]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1971

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