Seiko Cal. 6678 - 163

Seiko 6678-163

This Hand-Winding model from 1970 features a 44mm Titanium case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-8ba85a7cfa6b]

Also known as: Turtle, Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
44mm
Case Thickness
10.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1970

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