Seiko Titanium Perpetual Calendar Big Date
Seiko Titanium Perpetual Calendar Big Date – Christopher Ward’s latest release, The Twelve X, is their most sophisticated and expensive watch to date. Powered by the in-house Calibre SH21, it features a fully skeletonized design and a . No complication embodies IWC’s unique engineering approach quite like the perpetual calendar. Developed in the 1980s by…