Seiko Cal. 3820 - 552

This Hand-Winding model from 1991 features a 46mm Two-Tone case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-dcc1d7ad507f]

Also known as: Sumo, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1991

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