Seiko Cal. 4520 - 489

The 4520-489 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4520 caliber with 27j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-1a6f3744971b]

Also known as: Shogun, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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