Seiko Cal. 6656 - 553

The 6656-553 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6656 caliber with 32j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-913b0227640f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1990

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