1963 Pilot Watch Sea-Gull ST1901 Mechanical Movement D304 Chronograph. FIRST CHINESE AIR FORCE CHRONOGRAPH (PROJECT D304).
This special edition watch is an official remake of the 1963 Chinese Air force chronograph, a unique and classic masterpiece now coveted by collectors nearly as much as the original. This new updated version has a 38mm polished stainless steel case with a sapphire crystal (front) and an exhibition case back. The gold tint crème dial features gold tone numbers and markers and a red star under the 12:00 position. The movement is a Seagull No.
ST21 mechanical (hand winding) chronograph with 21,600 VPH and shock protection. Power reserve is about 45 hours on a full wind without the chronograph running. The Seagull chronograph uses a column wheel. In this design, the key component is a small rotating cylinder with teeth at the top, not unlike a castle turret.
As the chronograph buttons are pressed, the column wheel rotates and levers fall in between the teeth to drive the functions. The column wheel movement is considered by most watch enthusiasts to be the most desirable, since it requires the greatest skill to design and build correctly and it is thought to be the most durable.The sub-dial on the left is the running seconds counter and the sub-dial on the right is a 30-minute timer. The outer portion of the black dial is marked in seconds. The watch comes with a olive green NATO-Style strap.
Movement Number : Seagull Movement ST1901 Watch. Waterproof 30m (3ATM) : This watch can be used for hand washing and rain.
You cannot take a bath, take a bath, swim, etc. Exhibition folder + free leather strap + original nylon strap. 100% brand new in retail box packaging.
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