Seiko Cal. 5691 - 291

The Seiko 5691-291 represents an important milestone in Seiko's 1980 lineup. Powered by the 5691 caliber with 27j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-0189a06453cd]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1980

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