Seiko Cal. 5655 - 401

Seiko 5655-401

The Seiko 5655-401 represents an important milestone in Seiko's 1973 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a9b13b7bfd39]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
White
Jewels
20j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1973

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