Seiko Cal. 5221 - 328

The Seiko 5221-328 represents an important milestone in Seiko's 1965 lineup. Powered by the 5221 caliber with 35j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-d0065b9b28e1]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1965

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