Seiko Cal. 6393 - 737

This Spring Drive model from 1972 features a 41mm PVD Black case. Powered by the 6393 caliber with 28j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-2dc7784fdc86]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1972

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