Seiko Cal. 3871 - 740

The Seiko 3871-740 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-1c2e6906edf2]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

45mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1982

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