Seiko Cal. 4528 - 615

The Seiko 4528-615 represents an important milestone in Seiko's 1973 lineup. Powered by the 4528 caliber with 29j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-0d8aa23eb6f0]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1973

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