External Battery Compartments for Watch Winder Smith Watch Winders

• Old Version: Requires 2 D-cell batteries and provides up to 5 times the power capacity of the internal battery compartment. Available with large-port and small-port options. Please check your watch winder’s connector size before purchasing.

• New Version (5V Models): Requires 4 D-cell batteries. For 4-watch models, batteries can last approximately 60 days when using Mode 5. Product Dimensions: 16.5 × 4 × 7.3 cm (L × W × H).

Note: Please select the correct version and connector size for your watch winder.