Seiko Cal. 4426 - 178

This Spring Drive model from 1973 features a 39mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-cc82c3b6ba47]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1973

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