Seiko Cal. 6641 - 671

Seiko 6641-671

This Spring Drive model from 1991 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6aec3c743d53]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1991

Related Models

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