Introducing the KR New Product: the Universal Engineer Series Perpetual Calendar Watch, the most complex timepiece in the replica world. All functions are synchronized with the original, and all adjustments are controlled via the crown.1. Function Introduction: The calendar is displayed at the 3 o'clock position, the day of the week at the 9 o'clock position, and the month and moon phase indicator at the 6 o'clock position.2. Craftsmanship: The casing is intricately crafted using the same three-piece structure as the original, featuring a brushed middle section and polished top and bottom cases. The crystal is made of high-cost dome-shaped sapphire, enhancing its overall quality.3. Movement Performance: The dimensions are 41.6mm, and the movement utilizes a Tianjin modified 82600 caliber, which is highly efficient and stable, with a power reserve of over 72 hours. It incorporates a complex perpetual calendar module, allowing all functions to be adjusted via the crown just like the original.4. Precautions: Due to the complexity of the perpetual calendar module, the time will be calibrated before shipping. Customers can simply wind it and wear it upon receipt. Please avoid making random adjustments; due to the upgraded features of the movement, adjustments should be made slowly and carefully.KR's masterful creation, welcome to appreciate!