Seiko Cal. 4491 - 942

The Seiko 4491-942 represents an important milestone in Seiko's 1978 lineup. Powered by the 4491 caliber with 17j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-440174a8bb2a]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1978

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