Seiko Cal. 6653 - 770

The 6653-770 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6653 caliber with 33j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-2d5e36b2169e]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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