Seiko Cal. 5220 - 378

The 5220-378 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5220 caliber with 24j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-c4c7c1492a3a]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1972

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