Seiko Cal. 6633 - 570

This Hand-Winding model from 1971 features a 46mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-a7165330b421]

Also known as: UFO, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1971

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