SAFE & SECURE SHOPPING. Chronograph Handwind Watch Movement For Seagull ST1901 TY2901 Replacement Repair. Features: Chronograph hand at 3 o’clock, second hand at 9 o’clock Centre’ long hands=60 second for chronograph And other 2 hands is the time on the movement Mechanical 2 registered chronograph movement, power reserve about 42 hours Specifications: Model: ST-1901 (TY2901) Outer Diameter: 31.30 mm Height: 6.25mm (dial plate +0.4mm) Mounting height: 0.5mm Stem height: 1.8mm Jewels: 22 Frequency: 21,600bph Power reserve: Approx. Due to the manual measurement, there might be some error. Package include: 1 x Watch Movement. Welcome to our store! Excellent customer service and a reliable credit standing is our tenet. We recommend that you try again after 3-4 days. Always believe we can figure things out with communication, if it comes to return, the pacakge must be intact and the same as you receive. We will reply you ASAP. We strive to answer all questions and resolve any problems as quickly as possible. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. We care about our valued customers, and will always try to help you.