Seiko Cal. 4491 - 885

The Seiko 4491-885 represents an important milestone in Seiko's 1972 lineup. Powered by the 4491 caliber with 25j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-9c848ae1436c]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1972

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