Seiko Cal. 5660 - 451

Released in 1999, the Cal. 5660 with design code 451 was part of Seiko's domestic market collection. Powered by the 5660 caliber with 21j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-dfac0813fe12]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1999

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