Seiko Cal. 6655 - 973

The 6655-973 is a sought-after Solar piece from Seiko's golden era. Powered by the 6655 caliber with 26j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-5b8d5bfaa37b]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1972

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