Seiko Cal. 6639 - 353

This Solar model from 1988 features a 42mm PVD Black case. Powered by the 6639 caliber with 35j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-6ea236b9e3fb]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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