Seiko Cal. 3820 - 426

The Seiko 3820-426 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-cfe7426374b3]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

18j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1986

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