Seiko Cal. 6643 - 203

Seiko 6643-203

This Hand-Winding model from 1966 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-29a70eebb4d0]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
33j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1966

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seikata-wm-29a70eebb4d0