Seiko Cal. 6644 - 126

This Spring Drive model from 1971 features a 45mm PVD Black case. Powered by the 6644 caliber with 36j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-c805778c9258]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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