Seiko Cal. 5220 - 639

This Quartz model from 1976 features a 37mm Two-Tone case. Powered by the 5220 caliber with 32j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-fd42aea7fcf8]

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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