Seiko Cal. 3866 - 877

This Hand-Winding model from 1969 features a 43mm Stainless Steel case. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-1b2b96e7593d]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1969

Related Models

• Seiko 3846-137
• Seiko 6689-686
• Seiko 0722-150
• Seiko 7067-448
• Seiko 6134-400
• Seiko 0776-638
• Seiko 3891-659
• Seiko 0737-686
• Seiko 6262-753
• Seiko 6654-140
• Seiko 6296-186
• Seiko 6335-985