Hamilton Jazzmaster Day Date Auto

Hamilton Jazzmaster Day Date Auto H42565131
Images Courtesy of Hamilton
Hamilton Jazzmaster Day Date Auto H42565131

Day Date Auto

Reference Number :

H42565131

Series : Jazzmaster
Retail: $1,175
(As of: 07/2025)
This watch is not for sale, this page is just for reference purposes only. If you would like to purchase this watch, please contact Hamilton. If you are interested in selling this watch to us, you can contact us here.
Quick TakeThere's a certain genius to a watch that understands your schedule. The Jazzmaster Day Date Auto isn't just marking hours; it’s mapping out your week with you. That sweeping day display at the top isn't just a feature; it's a statement piece, a panoramic view of your potential. When Friday rolls around, you can take this watch off, and thanks to the powerhouse H-40 movement inside, it won't miss a beat all weekend. That 80-hour power reserve is the real deal, a promise of reliability that’s ready for Monday morning, no questions asked. The transparent case back is a quiet nod to the intricate engineering at play, a little secret for the wearer to appreciate. It’s a timepiece that feels both classic and incredibly modern, effortlessly bridging the gap between a demanding work week and a well-deserved rest with sophisticated style and unwavering performance. It’s the perfect co-pilot for the man who commands his time.
DescriptionThe Hamilton Jazzmaster Day Date Auto, reference H42565131, is engineered with a substantial 42mm stainless steel case that measures 11.8mm in thickness. It features a lug width of 22mm, providing a balanced presence on the wrist. The front of the timepiece is protected by a scratch-resistant sapphire crystal, which has been treated with an anti-reflective coating to ensure maximum legibility under various lighting conditions. An open case back offers a view of the internal mechanics. The watch is rated for water resistance up to 5 bar, equivalent to 50 meters or 164 feet, making it suitable for daily wear and resistant to incidental water contact.

At its core, this watch is powered by the Hamilton Caliber H-40 automatic movement. This self-winding mechanism is notable for its extended power reserve of 80 hours, a significant increase over many standard automatic movements. This allows the watch to remain operational for more than three full days when not worn. The functions include a prominent, fully spelled-out day display located in an arc-shaped aperture at the 12 o’clock position and a discrete date window at 6 o’clock. The black dial serves as a backdrop for these complications. The timepiece is secured by a stainless steel bracelet (strap reference H6054251011) equipped with a folding clasp for a secure and reliable fit.
GenderMen
SignaturesHamilton
Country of OriginSwitzerland
Case Size42 mm
MovementAutomatic
CaliberH-40
FunctionsHours, Minutes, Seconds, Date, Day
Power Reserve80 Hours
Case MaterialsStainless Steel
Bezel MaterialsStainless Steel
Lug MaterialsStainless Steel
Case BackSapphire Crystal
Dial ColorBlack
Band TypeStainless Steel
Clasp TypeDeployant
Band ColorStainless Steel
Year Made2020s
Limited EditionNo
Hour MarkersIndex
Band Width22 mm
Case Thickness11.8 mm
Case ShapeRound
StyleSports
Water Resistance 50 Meters
Crystal Sapphire
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