Seiko Cal. 3820 - 109

The Seiko 3820-109 represents an important milestone in Seiko's 1991 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-49bc2a794be2]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1991

Related Models

• Seiko 4472-273
• Seiko 7044-889
• Seiko 7185-999
• Seiko 5679-930
• Seiko 5231-441
• Seiko 6117-396
• Seiko 6273-560
• Seiko 7051-645
• Seiko 6664-484
• Seiko 0739-111
• Seiko 4540-321
• Seiko 6381-801