Seiko Cal. 4520 - 454

The 4520-454 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4520 caliber with 26j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-b9bf0e6f6c20]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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