Seiko Cal. 6639 - 693

This Solar model from 1988 features a 39mm Two-Tone case. Powered by the 6639 caliber with 18j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-39cfb72d31d2]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1988

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