Tank Solo Watch W5200014. Excellent Condition. With Original Box. PRODUCT DESCRIPTION Tank Solo watch, large model, quartz movement. Steel case, beaded crown set with a synthetic spinel cabochon, clear silvered opaline dial, Roman numerals, blued-steel sword-shaped hands, sapphire crystal, steel bracelet. Case dimensions: 34.8 mm x 27.4 mm, thickness: 5.55 mm. Water-resistant to 30 meters/100 feet. ABOUT THE COLLECTION The modest, modern design of the Tank Solo watch made it a classic from the moment it first appeared in the Tank collection. The Tank Solo honors the unique aesthetic that lies behind the collection's success, while reworking the model with a number of variations.