Seiko Cal. 4528 - 812

The Seiko 4528-812 represents an important milestone in Seiko's 1968 lineup. Powered by the 4528 caliber with 30j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-2e89ab3fa0b2]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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