Seiko Cal. 6644 - 172

This Hand-Winding model from 1977 features a 43mm Gold-Plated case. Powered by the 6644 caliber with 32j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-0906fae22f7d]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1977

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