Seiko Cal. 5220 - 525

This Spring Drive model from 1972 features a 36mm Stainless Steel case. Powered by the 5220 caliber with 30j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-0d61dcf61c3b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1972

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