Seiko Cal. 6638 - 185

This Automatic model from 1983 features a 36mm PVD Black case. Powered by the 6638 caliber with 21j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-1f25470a2c18]

Also known as: Samurai, Rally

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1983

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