Seiko Cal. 4493 - 731

The Seiko 4493-731 represents an important milestone in Seiko's 1978 lineup. The Fixed bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-37b9285b39c9]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1978

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