Seiko Cal. 6643 - 785

This Solar model from 1988 features a 36mm PVD Black case. Powered by the 6643 caliber with 27j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-87ba5a5602a7]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1988

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