Seiko Cal. 3857 - 138

The Seiko 3857-138 represents an important milestone in Seiko's 1996 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-17c755fd18a1]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1996

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