Seiko Cal. 3820 - 331

The Seiko 3820-331 represents an important milestone in Seiko's 1998 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-050a7602cee1]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1998

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