Seiko Cal. 5661 - 145

Released in 1993, the Cal. 5661 with design code 145 was part of Seiko's domestic market collection. Powered by the 5661 caliber with 17j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-4579dca63369]

Also known as: UFO, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1993

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