Seiko Cal. 3857 - 131

The Seiko 3857-131 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-13c8edfebbc2]

Also known as: World Timer, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1979

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