Seiko Cal. 4433 - 257

This Hand-Winding model from 1971 features a 36mm Titanium case. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-194ee9b1790d]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1971

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