Seiko Cal. 4497 - 521

This Hand-Winding model from 1973 features a 35mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-d307a285f8dc]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1973

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