Seiko Cal. 4537 - 120

This Hand-Winding model from 1971 features a 46mm Stainless Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-987570e371c6]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1971

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