Seiko Cal. 3850 - 721

Seiko 3850-721

This Quartz model from 1966 features a 40mm Two-Tone case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7319b2a5f98b]

Also known as: Rally, Golden Tuna

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Burgundy
Jewels
18j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1966

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