Seiko Cal. 4493 - 692

The Seiko 4493-692 represents an important milestone in Seiko's 1973 lineup. Powered by the 4493 caliber with 29j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-47bc7ce12294]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1973

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