Seiko Cal. 0728 - 693

The Seiko 0728-693 represents an important milestone in Seiko's 1984 lineup. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a01a59fd43aa]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1984

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