Authentication Guide
Understanding Lume Ageing and UV Inspection
Radium, tritium and Super-LumiNova each age in characteristic ways. A UV lamp and a little patience reveal which era of luminous material a dial and hands actually carry.
8 min read
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Authentication Guide
Authenticating Hands and Pinions: The Small Details That Confirm Originality
Original hands with matching lume and correct pinion diameters are among the most under-examined authentication signals. Replacement hands are common, and they materially affect value.
8 min read