Seiko Cal. 3881 - 920

The Seiko 3881-920 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-c127ac3dcd9e]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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