Seiko Cal. 5660 - 320

This Hand-Winding model from 1967 features a 34mm Stainless Steel case. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-c3604f983fb9]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1967

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