The Tesla Watch goes with your steampunk aesthetic. With a weathered-brass look on all the metal parts, this analog watch features a leather strap. The highlights of this design, however, are the two faux vacuum tubes with red LEDs inside that you can turn on and off with the flick of a switch. Comes in a tin, suitable for gifting. Dimensions: Watch face 1" diameter, total face 1.6" diameter, 2.7" tall including vacuum tubes. Strap 1.2" wide, fits a wrist 6.75" to 8". Batteries: SR626SW (minutes/hour), SR521SW (seconds), and CR2032 (LEDs) button cell batteries (included). All batteries are replaceable., The Tesla Watch goes with your steampunk aesthetic., Weathered-brass look on metal findings plus leather strap., Features two faux vacuum tubes with red LEDs inside that you can turn on and off with the flick of a switch., Dimensions: Watch face 1" diameter, total face 1.6" diameter, 2.7" tall including vacuum tubes. Strap 1.2" wide, fits a wrist 6.75" to 8"., Batteries: SR626SW (minutes/hour), SR521SW (seconds), and CR2032 (LEDs) button cell batteries (included). All batteries are replaceable.