Seiko Cal. 6645 - 181

This Quartz model from 1974 features a 43mm Stainless Steel case. Powered by the 6645 caliber with 35j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-cf3a760715d5]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1974

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