Seiko Cal. 3871 - 628

This Kinetic model from 1986 features a 40mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-7d48a189d621]

Also known as: Sumo, World Timer

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1986

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