Seiko Chronograph Cal. 7A28A Full service。Item Description Hello! Thank you for taking the time to view my listing. For sale here is an excellent watch, all the information you need in regards to the watch is listed below. If you have additional question, please feel to reach out. For my repeat customers, you may notice that my description looks a little bit different. I have modified the formatting to make it more simple and concise for my customers. Brand: Seiko Model: Pepsi Chronograph Reference/ model number: 7A28-7100 Band reference: NA19A Serial number: 360970 Circa: 1980\'s Movement: Japan made quartz Service/ battery: New battery installed in May of 2025 Functionality: Watch has been tested and is working flawlessly, keeping excellent time Case size: 40.5mm stainless steel Lug/ band size: Watch has 20mm lugs with the original band that tapers from 21mm to 16mm near the buckle, missing a few of the original links and the bracelet is currently sized at 7.25 inches Features: Blue dial, fixed red and blue Pepsi bezel, Japan made movement, water resistant, a push pull crown, and a chronograph Box/ papers: Not included Condition I have updated my rating scale in January of 2025. The new scale that I am using rates different parts of the watch on a scale between N-R-10-1. From the highest to lowest rankings, they mean the following: N= Brand New, R= Refurbished (polished and looks new, no replaced parts), 10= Like new (store display, may have small handling marks, possibly unworn), 9= Like new (may h