Seiko Cal. 5677 - 544

This Spring Drive model from 1975 features a 42mm Stainless Steel case. Powered by the 5677 caliber with 36j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-1e71f8e3f074]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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