Seiko Cal. 5665 - 655

The Seiko 5665-655 represents an important milestone in Seiko's 1979 lineup. Powered by the 5665 caliber with 34j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-c978e93aefa2]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

34j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1979

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