Seiko Cal. 4491 - 187

This Spring Drive model from 1979 features a 34mm PVD Black case. Powered by the 4491 caliber with 19j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ea23f8b49093]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1979

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