Seiko Cal. 4493 - 731

The Seiko 4493-731 represents an important milestone in Seiko's 1984 lineup. Powered by the 4493 caliber with 27j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-5f512591d976]

Also known as: Helmet, World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

27j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1984

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