Seiko Cal. 4426 - 770

This Hand-Winding model from 1970 features a 36mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-75e8f6bd138c]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

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