Seiko Cal. 6639 - 654

This Quartz model from 1969 features a 41mm Titanium case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-2f068d5661b8]

Also known as: Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1969

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