Seiko Cal. 4426 - 550

This Spring Drive model from 1973 features a 46mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-2135932b9c4c]

Also known as: Turtle, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1973

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