Seiko Cal. 5641 - 147

This Quartz model from 1983 features a 36mm Stainless Steel case. Powered by the 5641 caliber with 22j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-16121eeab69e]

Also known as: Monster, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1983

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