Seiko Cal. 4447 - 875

This Spring Drive model from 1967 features a 37mm PVD Black case. Powered by the 4447 caliber with 18j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-6cbcaa2af47e]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1967

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