Seiko Cal. 4431 - 926

This Automatic model from 1968 features a 36mm Hardlex-Coated Steel case. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-18f8e4aebe26]

Also known as: Monster, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1968

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