Seiko Cal. 6643 - 734

Seiko 6643-734

This Kinetic model from 1971 features a 43mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-ab2486ec7acc]

Also known as: Monster, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
24j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1971

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seikata-wm-ab2486ec7acc