Seiko Cal. 6640 - 543

Seiko 6640-543

This Kinetic model from 1974 features a 41mm PVD Black case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-40181444bac6]

Also known as: Navigator

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
41mm
Case Thickness
14.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1974

Related Models

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