Seiko Cal. 4493 - 831

This Spring Drive model from 1980 features a 46mm Stainless Steel case. Powered by the 4493 caliber with 34j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-5d18d1538db5]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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