Seiko Cal. 5665 - 930

This Spring Drive model from 1974 features a 37mm Stainless Steel case. Powered by the 5665 caliber with 17j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-f88fca5af7f3]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1974

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