Seiko Cal. 3821 - 580

The Seiko 3821-580 represents an important milestone in Seiko's 1970 lineup. Powered by the 3821 caliber with 30j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-91a5c4cc5bf5]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1970

Related Models

• Seiko 3884-389
• Seiko 4473-830
• Seiko 4586-764
• Seiko 7015-183
• Seiko 6380-992
• Seiko 7045-173
• Seiko 3859-921
• Seiko 7023-980
• Seiko 0792-321
• Seiko 3876-338
• Seiko 5295-404
• Seiko 0761-203