Seiko Cal. 3864 - 851

Seiko 3864-851

The Seiko 3864-851 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-6a241b623667]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
42mm
Case Thickness
14.8mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Burgundy
Jewels
28j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1965

Related Models

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