Seiko Cal. 6390 - 620

This Spring Drive model from 1966 features a 41mm Titanium case. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-22632fdf1906]

Also known as: Rally, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

34j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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