Seiko Cal. 3872 - 251

This Spring Drive model from 1981 features a 39mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-a4bf10485106]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

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