Vintage Zeysa Tank Watch – Swiss Hand-Winding Movement – Two-Tone Dial & Small Seconds ​Description: Up for sale is a collectible vintage Zeysa wristwatch featuring a classic rectangular Tank-style case. The watch is completely original except for the aftermarket bracelet. ​Brand / Model: Zeysa Tank ​Movement: Swiss-made, 17 Jewels, manual hand-winding movement. Signed "Zeysa" on the movement bridge. ​Dial: Beautiful two-tone gradient dial with vintage patina, raised Arabic numeral indices, and a small seconds sub-dial at 6 o'clock. ​Case: Distinctive rectangular Tank shape with a stainless steel caseback (stamped Incabloc & Stainless Steel Back). ​Bracelet: Fitted with an expandable stainless steel bracelet (Aftermarket bracelet; the watch head/movement/dial itself is all-original). ​Condition: Shows authentic age-appropriate wear and light patina on the dial and case, adding rich character to this vintage timepiece. Please refer to the high-resolution photos for exact cosmetic conditio