Seiko Cal. 3865 - 912

Seiko 3865-912

This Automatic model from 1969 features a 44mm Hardlex-Coated Steel case. With its 20mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-ddcfe4405c8e]

Also known as: Tuna, UFO

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1969

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