MWC Classic 1950s/1960s Pattern 25 Jewel Automatic "Adventurer" Watch with 200m Water Resistance and Retro Luminous Paint and Sapphire Crystal Divers Watches Quartz the battery hatch was crucial

the battery hatch was crucial because early quartz watch batteries lasted only about a year

Water Resistance: 100ATM / 3

These qualities make it especially popular with military personnel

each with slight variations in face details

MWC Classic 1950s/1960s Pattern 25 Jewel Automatic "Adventurer" Watch with 200m Water Resistance and Retro Luminous Paint and Sapphire Crystal Divers Watches Quartz the battery hatch was crucialSKU Code: RE25J 54 This watch is based on a 1950s 1960s pattern exploration and adventurer watch. It features a box sapphire crystal that closely resembles 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 mechanism boasts a substantial 38 hour power reserve, ensuring enduring performance.