Seiko Cal. 6654 - 653

The Seiko 6654-653 represents an important milestone in Seiko's 1999 lineup. Powered by the 6654 caliber with 29j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-005613e3522d]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1999

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