Seiko Cal. 3872 - 641

The Seiko 3872-641 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-989ad9097d06]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1975

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