Aeschbach 1950s Pattern 25 Jewel Automatic, 200m Water Resistant Watch with Retro Luminous Paint, Sapphire Crystal & Calf Leather StrapSKU Code: ABACH BE57 This watch is based on a 1957 pattern and features a box sapphire crystal, visually identical to the original plexiglass crystal. The movement is a Ronda R 150 or equivalent, a sophisticated 25 jewel automatic movement with an impressive frequency of 28,800 vibrations per hour (4Hz). This precision crafted powerhouse boasts a substantial 38 hour power reserve, ensuring enduring performance. Notably equipped with hacking and hand