Seiko Cal. 3874 - 631

The Seiko 3874-631 represents an important milestone in Seiko's 1997 lineup. It features a Black dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-ae54badae905]

Also known as: Turtle, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1997

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