Seiko Cal. 6220 - 355

This Quartz model from 1965 features a 38mm Hardlex-Coated Steel case. Powered by the 6220 caliber with 20j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-4e896e167b71]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1965

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