Seiko Cal. 6646 - 938

Seiko 6646-938

This Spring Drive model from 1979 features a 35mm Stainless Steel case. It features a Burgundy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-0ace86cbc39d]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Burgundy
Jewels
20j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1979

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