Bulova BVA-SERIES 100 is a SELF-WINDING MECHANICAL watch, meaning it does not require battery changes. It is powered by a mainspring, which is wound either by wrist movement or by daily winding of the setting crown. Its accuracy is subject to the effects of gravity and temperature, with an expected daily variance of up to 10 to 20 seconds. The watch has over 100 working parts, and cleaning and lubrication are recommended every three to five years for optimum accuracy and long-term efficiency.
Bulova BVA-SERIES 100 is a SELF-WINDING MECHANICAL watch, meaning it does not require battery changes. It is powered by a mainspring, which is wound either by wrist movement or by daily winding of the setting crown. Its accuracy is subject to the effects of gravity and temperature, with an expected daily variance of up to 10 to 20 seconds. The watch has over 100 working parts, and cleaning and lubrication are recommended every three to five years for optimum accuracy and long-term efficiency.
Bulova BVA-SERIES 100 is a SELF-WINDING MECHANICAL watch, meaning it does not require battery changes. It is powered by a mainspring, which is wound either by wrist movement or by daily winding of the setting crown. Its accuracy is subject to the effects of gravity and temperature, with an expected daily variance of up to 10 to 20 seconds. The watch has over 100 working parts, and cleaning and lubrication are recommended every three to five years for optimum accuracy and long-term efficiency.
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