Seiko Cal. 5640 - 211

The Seiko 5640-211 represents an important milestone in Seiko's 1969 lineup. With its 22mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-60a13891aa4f]

Also known as: Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1969

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