Seiko Cal. 6683 - 641

Seiko 6683-641

This Hand-Winding model from 1968 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-82635a64f600]

Also known as: UFO

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1968

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seikata-wm-82635a64f600