Seiko Cal. 5643 - 785

The Seiko 5643-785 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-58403ff2a4a4]

Also known as: UFO, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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