Seiko Cal. 7031 - 858

This Quartz model from 1974 features a 42mm PVD Black case. Powered by the 7031 caliber with 25j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a8fd1ac906c5]

Also known as: Silverwave, Arnie

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1974

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