Seiko Cal. 6664 - 640

Seiko 6664-640

This Hand-Winding model from 1982 features a 37mm Titanium case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-b5dba545a50a]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
11.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
31j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1982

Related Models

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