Seiko Cal. 5661 - 144

The Seiko 5661-144 represents an important milestone in Seiko's 1986 lineup. Powered by the 5661 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-494437e23499]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1986

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