Seiko Cal. 6640 - 852

Seiko 6640-852

This Kinetic model from 1980 features a 38mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-7843f5f32939]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
38mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
110m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1980

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