Seiko Cal. 3866 - 182

This Automatic model from 1971 features a 36mm PVD Black case. Powered by the 3866 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-4807fcb9a7f8]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

Related Models

• Seiko 7154-245
• Seiko 6616-465
• Seiko 5610-822
• Seiko 7016-475
• Seiko 4412-926
• Seiko 3885-477
• Seiko 6263-494
• Seiko 6640-929
• Seiko 6124-612
• Seiko 7074-347
• Seiko 6395-749
• Seiko 6328-989