Seiko Cal. 3820 - 302

The 3820-302 is a sought-after Solar piece from Seiko's golden era. Powered by the 3820 caliber with 36j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-d76721da41db]

Also known as: Sumo, Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1976

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