Seiko Cal. 5688 - 350

Seiko 5688-350

This Kinetic model from 1975 features a 34mm Hardlex-Coated Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2c77eb7b4a55]

Also known as: World Timer, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
12.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1975

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