Seiko Cal. 3871 - 904

The Seiko 3871-904 represents an important milestone in Seiko's 1972 lineup. It features a Silver dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-02556ef43af6]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1972

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