Seiko Cal. 4520 - 318

The 4520-318 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4520 caliber with 19j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-2b2d89e06a18]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1988

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