Seiko Cal. 5683 - 850

The Seiko 5683-850 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-a884a32a7cc1]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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