Seiko Cal. 4440 - 964

This Hand-Winding model from 1967 features a 42mm Hardlex-Coated Steel case. It features a Green dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-cc43d28d2bf9]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1967

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