Seiko Cal. 5220 - 266

This Spring Drive model from 1971 features a 36mm PVD Black case. Powered by the 5220 caliber with 28j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-ac5da92bc82d]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1971

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