Seiko Cal. 3871 - 109

The Seiko 3871-109 represents an important milestone in Seiko's 1982 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-b76e8a5d6538]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1982

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