Seiko Cal. 6643 - 842

Seiko 6643-842

This Spring Drive model from 1998 features a 37mm Stainless Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-d9b9d8368f73]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.1mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1998

Related Models

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