Seiko Cal. 3863 - 765

Seiko 3863-765

This Hand-Winding model from 1968 features a 41mm PVD Black case. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-ecf47e98d6e1]

Also known as: Turtle, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
17j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1968

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