Seiko Cal. 4528 - 287

Released in 1973, the Cal. 4528 with design code 287 was part of Seiko's domestic market collection. Powered by the 4528 caliber with 30j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-9320345140ba]

Also known as: Shogun, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1973

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