Seiko Cal. 4522 - 821

The Seiko 4522-821 represents an important milestone in Seiko's 1972 lineup. Powered by the 4522 caliber with 28j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-9ffa9d41b1b5]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1972

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