Seiko Cal. 4520 - 223

The 4520-223 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4520 caliber with 24j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-668a9efc09a9]

Also known as: Silverwave, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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