Seiko Cal. 6220 - 668

This Spring Drive model from 1965 features a 35mm Stainless Steel case. Powered by the 6220 caliber with 31j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-91f256621b86]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1965

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