Seiko Cal. 3871 - 839

The Seiko 3871-839 represents an important milestone in Seiko's 1980 lineup. It features a Black dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-0e2b5836ac9c]

Also known as: Samurai, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1980

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