Seiko Cal. 4531 - 552

The 4531-552 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4531 caliber with 22j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-90213ebbf6a9]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1975

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