Seiko Cal. 6638 - 165

This Solar model from 1969 features a 36mm PVD Black case. Powered by the 6638 caliber with 35j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-a83c66f1cc0a]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1969

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