Seiko Cal. 3820 - 566

Released in 1980, the Cal. 3820 with design code 566 was part of Seiko's domestic market collection. Powered by the 3820 caliber with 27j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-11e41d99a052]

Also known as: Panda

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1980

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