Seiko Cal. 3811 - 870

The Seiko 3811-870 represents an important milestone in Seiko's 1993 lineup. Powered by the 3811 caliber with 36j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-da5bd7799592]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1993

Related Models

• Seiko 5236-641
• Seiko 5634-772
• Seiko 0796-675
• Seiko 7198-766
• Seiko 5298-419
• Seiko 3825-246
• Seiko 6644-672
• Seiko 7166-862
• Seiko 3859-732
• Seiko 7021-797
• Seiko 4481-919
• Seiko 6374-214