Seiko Cal. 3820 - 619

The 3820-619 is a sought-after Solar piece from Seiko's golden era. Powered by the 3820 caliber with 25j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-8f40b7bbdba6]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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