For Sale: Classic Doxa Anti-Magnetic Men’s Wristwatch (cal. 103) This timeless Doxa Anti-Magnetic watch from the 1960s is in excellent condition and ready for its new owner. The hand-wound caliber 103 movement has recently been professionally cleaned and serviced, ensuring precise and reliable performance. Key Features: Condition: Excellent, freshly serviced. Movement: Original Doxa caliber 103 (ETA 2391 base), 17 jewels, hand-wound Year: Based on the 10344-1 reference on the caseback the watch dates to the early 1960s, most likely 1962 or 1963. Function: Anti-Magnetic protection. Case: Typically a chrome-plated case with a stainless steel caseback, 35 mm in diameter excluding the crown Strap: New, elegant black leather strap. Reference / Serial Number: Engraved on the caseback: 10344 1.