The all new Seiko Prospex "SPEED TIMER" SRQ037 is equipped with the newly developed mechanical chronograph movement Caliber 8R46. This new Speedtimer series is playing tribute to the first domestically produced chronograph "Crown Chronograph" developed in 1964.
Equipped with the newly developed mechanical chronograph movement "Caliber 8R46". In addition to the vertical clutch, the technology that has been inherited from the "1969 Speed Timer" and has evolved further, such as the column wheel that realizes a reliable operation feeling and stable operation, is integrated. By adopting vintage-style Lumibright inspired by the "Crown Chronograph", it creates a classical impression.
Movement Caliber Number: 8R46 Movement Type: Automatic with manual winding Accuracy: +25 to -15 seconds per day Duration: Approx. 45 hours
Exterior Case Material: Stainless steel (super hard coating) Crystal: Dual-curved sapphire crystal Crystal Coating: Anti-reflective coating on inner surface LumiBrite: Lumibrite on hands and index(es) Clasp: Three-fold clasp with push button release
Other Details Water Resistance: 10 bar Case Size: Thickness: 15.1mm / Diameter: 42.5mm Weight: 194.0 g
Other Specifications Screw case back 34 jewels Equipped with small seconds hand Stop second hand function