Seiko Cal. 4522 - 975

The 4522-975 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4522 caliber with 27j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f9c1a05cb3eb]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1971

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