Seiko Cal. 3820 - 408

The 3820-408 is a sought-after Solar piece from Seiko's golden era. Powered by the 3820 caliber with 21j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-5371492c96de]

Also known as: Sumo, Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1965

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