Seiko Cal. 4492 - 770

This Spring Drive model from 1991 features a 35mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-a1d9459becbc]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

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