Seiko Cal. 5220 - 550

This Spring Drive model from 1966 features a 37mm Two-Tone case. Powered by the 5220 caliber with 29j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-5bcf55677705]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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