Seiko Cal. 5663 - 722

This Hand-Winding model from 1970 features a 46mm Hardlex-Coated Steel case. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-33d6f6425acc]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

26j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1970

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