Seiko Cal. 4477 - 758

This Spring Drive model from 1973 features a 39mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-2dc144fbdeba]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

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