Seiko Cal. 4492 - 580

This Spring Drive model from 1987 features a 36mm Gold-Plated case. Powered by the 4492 caliber with 30j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-be172e938f79]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1987

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