Seiko Cal. 4520 - 744

This Hand-Winding model from 1979 features a 35mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-112416fa6c88]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1979

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