Seiko Cal. 4492 - 360

This Spring Drive model from 1979 features a 39mm Two-Tone case. Powered by the 4492 caliber with 19j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-15a91fdaf019]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

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