Seiko Cal. 6638 - 599

The Seiko 6638-599 represents an important milestone in Seiko's 1989 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-ba3bb9b7f63b]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1989

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