Seiko Cal. 3866 - 415

Seiko 3866-415

The Seiko 3866-415 represents an important milestone in Seiko's 1969 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-400b8485d16c]

Also known as: UFO, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
26j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1969

Related Models

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