Seiko Cal. 5634 - 668

Seiko 5634-668

This Quartz model from 1969 features a 46mm Titanium case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-4573f52f0d1d]

Also known as: Tuna, UFO

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
13.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1969

Related Models

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