Seiko Cal. 3861 - 406

The 3861-406 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3861 caliber with 27j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-e48e37af4ad8]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1988

Related Models

• Seiko 0752-649
• Seiko 0727-640
• Seiko 6380-699
• Seiko 7042-777
• Seiko 7082-100
• Seiko 4431-562
• Seiko 5213-426
• Seiko 7056-529
• Seiko 5292-950
• Seiko 6344-543
• Seiko 3814-648
• Seiko 7039-952