Seiko Cal. 7166 - 820

This Spring Drive model from 1966 features a 37mm Titanium case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-dcf4fdd3f0bb]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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