Seiko Cal. 4547 - 722

This Spring Drive model from 1987 features a 41mm PVD Black case. Powered by the 4547 caliber with 20j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-c2bd0d2d0fea]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1987

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