Seiko Cal. 7055 - 522

The 7055-522 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7055 caliber with 28j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-729925d7596c]

Also known as: Sportsmatic, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1969

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