Seiko Cal. 5646 - 640

Seiko 5646-640

This Kinetic model from 1967 features a 39mm Two-Tone case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5f0d35f4b8ad]

Also known as: Golden Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1967

Related Models

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