Seiko Cal. 4521 - 832

The Seiko 4521-832 represents an important milestone in Seiko's 1967 lineup. Powered by the 4521 caliber with 28j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-f41a291aee67]

Also known as: Sumo, Silverwave

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1967

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