Seiko Cal. 5638 - 106

This Spring Drive model from 1968 features a 38mm PVD Black case. Powered by the 5638 caliber with 29j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-edd0c31c519b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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