Seiko Cal. 4528 - 475

The 4528-475 is a sought-after Solar piece from Seiko's golden era. Powered by the 4528 caliber with 36j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-1126bc7cdd95]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1979

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