Seiko Cal. 3820 - 354

The 3820-354 is a sought-after Solar piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-744aa38fcd5e]

Also known as: Sumo, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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