Seiko Cal. 6641 - 763

Seiko 6641-763

This Spring Drive model from 1980 features a 36mm Gold-Plated case. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-b36d178135fb]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
8.5mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Green
Jewels
19j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1980

Related Models

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