This Glycine KMU 48 “Big Second” is a limited edition of just 250 pieces, produced in 2017 as part of Glycine’s tribute to early 20th-century military and pilot watches. The watch features a bold 45mm brushed stainless steel case, a large oversized crown, and a fully luminescent dial for maximum readability in low light.One of the most distinctive features of this piece is its large running seconds sub-dial, located between 9 and 10 o’clock—hence the “Big Second” designation. The watch also includes both 12-hour and 24-hour markers, enhancing its legibility and utility for field or aviation timing.Inside beats the manual-winding GL 097 movement, beautifully showcased through the exhibition case back. Based on the Unitas 6497 architecture, this Swiss movement is well regarded for its reliability and easy serviceability, often seen in military-style watches and large wristwatches.The Glycine KMU line—originally developed for robust military timekeeping—has become a cult favorite among collectors for its oversized yet wearable proportions and straightforward mechanical heritage.This piece comes as a complete full set, including box, papers, strap changing tool, and additional strap. A fine choice for collectors of field watches, manual movements, or unique limited editions.