Seiko Cal. 3866 - 236

Seiko 3866-236

This Automatic model from 1965 features a 36mm Two-Tone case. Powered by the 3866 caliber with 28j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e304bf07d7db]

Also known as: Goldfeather

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Navy
Jewels
28j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1965

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