Seiko Cal. 6691 - 163

Seiko 6691-163

This Kinetic model from 1966 features a 40mm Gold-Plated case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-530be3845b66]

Also known as: Sumo, Arnie

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1966

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