Seiko Cal. 3856 - 638

The Seiko 3856-638 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-32fc157a7db1]

Also known as: Bullhead, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1981

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