Seiko Cal. 4491 - 143

This Spring Drive model from 1979 features a 45mm Two-Tone case. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9f063365d11e]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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