Seiko Cal. 4491 - 791

The Seiko 4491-791 represents an important milestone in Seiko's 1965 lineup. Powered by the 4491 caliber with 33j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-6ebc62779fc8]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1965

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