Seiko Cal. 6653 - 770

Released in 1991, the Cal. 6653 with design code 770 was part of Seiko's domestic market collection. Powered by the 6653 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-11ff2ebdca71]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1991

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