Seiko Cal. 3862 - 641

The Seiko 3862-641 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-d1a7e20e5cf4]

Also known as: Goldfeather, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1971

Related Models

• Seiko 0785-923
• Seiko 5643-153
• Seiko 6195-676
• Seiko 6637-768
• Seiko 6341-822
• Seiko 6139-756
• Seiko 7079-238
• Seiko 6160-995
• Seiko 7016-377
• Seiko 6231-181
• Seiko 4424-755
• Seiko 6264-650