8968970 serial number dates back to the 30s! The 1937 Omega Naïad Omega's first "standard" waterproof wristwatch was the 1937 Naïad. In Greek Mythology Naïads were nymphs who lived in and presided over brooks, springs, and fountains. The Omega Naïad had a snap on waterproof case back and a waterproof crown that sealed against the stem tube on the side of the case. The Naïad pictured here has a movement serial number just below 9 million, which would place it in about 1938. Stepped case as most of you are aware are very sought after for vintage watches! The case back carries the words "Waterproof" and "Mod. Depose", which means "Registered Design". The movement is an Omega 23.4SC. This manual wound 15 jewel Omega movement runs at 18,000 vibrations per hour (vph). has a bimetallic compensation balance and Breguet hairspring. The 23.4SC movement is 23.4mm diameter, and the SC designation shows that it has a centre seconds, which in this movement is driven indirectly. The calibre 23.4 was a great success for Omega. Designed in 1935 and introduced in 1936, the 23.4 was the first Omega calibre with centre sweep seconds. Used in the Omega Medicus, it was manufactured until 1953. Comes with Omega Box which is also quite sought after, the case size is 31mm and 33.4 with the crown. Band : 16mm genuine leather strap. **Price:** $1,350 (incl. free international shipping). Wise or Bank transfer preferred. Sold “as-is” with no returns. The piece is in working condition but service history is unknown. A service is recommended for optimal accuracy and performance. No Trade Please.