Seiko Cal. 5651 - 666

The Seiko 5651-666 represents an important milestone in Seiko's 1998 lineup. Powered by the 5651 caliber with 21j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-169fafa8c135]

Also known as: Samurai, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1998

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