Seiko Cal. 6680 - 557

Seiko 6680-557

This Spring Drive model from 1965 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-4b1864b57ec6]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
36,000 bph
Power Reserve
72 hours
Year
1965

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