Seiko Cal. 4431 - 496

This Spring Drive model from 1966 features a 41mm PVD Black case. It features a Cream dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-8fd6532d8b6e]

Also known as: Turtle

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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