Seiko Cal. 6687 - 115

Seiko 6687-115

This Spring Drive model from 1968 features a 39mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-5359e1e4aca0]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1968

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