Seiko Cal. 6640 - 279

Seiko 6640-279

This Kinetic model from 1984 features a 44mm Hardlex-Coated Steel case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-19b5a737f01f]

Also known as: Tuna, Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
21j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1984

Related Models

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