Seiko Cal. 3866 - 289

The Seiko 3866-289 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-35f0b3d9e816]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

26j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

Related Models

• Seiko 7066-718
• Seiko 7115-526
• Seiko 4436-837
• Seiko 0722-223
• Seiko 6321-846
• Seiko 4440-978
• Seiko 3831-905
• Seiko 5636-473
• Seiko 6228-407
• Seiko 5643-653
• Seiko 7137-879
• Seiko 6328-556