Seiko Cal. 5674 - 517

This Spring Drive model from 1968 features a 43mm Titanium case. Powered by the 5674 caliber with 36j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-de1c8f597c07]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1968

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