Seiko Cal. 5677 - 207

This Spring Drive model from 1970 features a 42mm Hardlex-Coated Steel case. Powered by the 5677 caliber with 33j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-4d6e535070de]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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