Seiko Cal. 6641 - 547

Seiko 6641-547

This Spring Drive model from 1996 features a 37mm Stainless Steel case. With its 20mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-ae1c9554a8ed]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Champagne
Jewels
25j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1996

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