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The Longines Saint-Imier Retrograde Moon Phases packs four retrograde indications, a moonphase and a day/night display into a formal automatic watch. Its dial is unusually animated, but the 44 mm case is thick and the polished steel bracelet has substantial presence. Fratello’s 2012 hands-on review offers a useful account of how the watch looks and wears; buyers considering one today should treat its price and configurations as historical details and assess the specific pre-owned example.
What is the Longines Saint-Imier Retrograde Moon Phases?
It is a watch from Longines’ Watchmaking Tradition collection, covered by Fratello in a hands-on article published on 24 August 2012. The review identifies the silver/white-dial version as reference L2.764.4.73.0 and the black-dial versions as L2.764.4.53.3 and L2.764.4.53.6. Fratello’s sample had a silver dial and blued steel hands; it also noted a black dial with silver-colored steel hands. These are period reference and configuration details, not confirmation that Longines currently sells the model. Fratello’s hands-on review
What does the dial do?
The watch’s appeal is the way several displays share the dial. Four indications use retrograde arcs: their hands travel along a scale, then return to the starting point rather than completing a full circle. A moonphase at 6 o’clock and day/night indicator at 12 add further visual motion.
| Position | Indication |
|---|---|
| Near 12 o’clock | Day of the week, shown retrograde |
| Left side | 24-hour second time zone, shown retrograde |
| Right side | Date, shown retrograde |
| At 6 o’clock | Small seconds, shown retrograde, alongside the moonphase display |
| At 12 o’clock | Day/night indicator |
WatchTime’s coverage of the collection describes the same four-function layout and identifies the moonphase and day/night displays. The result is information-rich and more animated than a conventional three-hand dress watch, though it also gives the dial more to take in. WatchTime’s collection coverage
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- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
Movement and controls
Fratello identifies the automatic movement as Longines caliber L707.2, based on ETA A07 L31. WatchTime describes the L707 as an ETA-produced movement exclusive to Longines. In Fratello’s experience, the crown handled winding and time setting while small pushers on the case corrected the complications; the reviewers found setup easier than the number of indications might suggest.
That hands-on impression is not a setting procedure. If adjusting a particular watch, consult the manual for its exact reference and follow its instructions; do not assume a safe correction window or sequence from the dial layout alone.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
How large does it wear?
The steel case measures 44 mm in diameter, according to Fratello and WatchTime’s 2012-era coverage. Fratello describes it as thick and recommends trying it on before buying. The reviewer did not find the diameter too large personally, but found the polished bracelet heavy and shiny, and preferred the idea of wearing the watch on leather. That is one reviewer’s experience, not a universal fit judgment.
Period configurations included a steel bracelet or an alligator strap with deployant clasp; WatchTime lists black or brown alligator straps as well as a steel bracelet. On a pre-owned watch, judge the actual example: case thickness and wrist presence, bracelet weight, preferred strap, dial legibility, and the condition of the case and bracelet all matter.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
What did it cost, and what is that figure worth today?
Fratello reported a price of €2,950 in 2012. The review also gave an approximate conversion of about $3,700 at the time, while noting it did not have the official US list price. Neither figure establishes the watch’s current retail price or pre-owned value.
For context only, Longines’ current US page for the separate Master Collection Moonphase reference L2.909.4.97.6 lists $3,450, a 40 mm case, up to 72 hours of power reserve and 3 bar water resistance. Those specifications and that price belong to the Master Collection watch, not the Saint-Imier; the page does not establish that it is a successor. Longines Master Collection Moonphase product page
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
What to check when buying a pre-owned example
The 2012 review establishes the model’s period references and layout, but does not establish the condition or service history of any watch currently offered for sale. Because this is a mechanically complex watch and its age varies by example, make the purchase decision around the particular piece and the seller’s evidence.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
- Confirm the reference and dial. Match the case or documentation to the stated reference, and check whether the dial and hands correspond to the seller’s description.
- Assess condition in person or through clear, detailed images. Look closely at the case, polished surfaces, crystal, dial, hands, crown, pushers, bracelet and clasp, or the strap and deployant clasp.
- Ask for service documentation. Request dated records and clarify what work was done. Do not infer service condition from appearance alone.
- Check what is included. Confirm whether the watch comes with its bracelet or strap, any spare bracelet links, clasp, box, papers and other accessories the seller advertises.
- Review the seller’s terms. Establish the return policy, warranty if any, shipping and insurance arrangements, and how authenticity concerns are handled.
- Compare current asking prices for comparable examples. Account for reference, condition, documented service, included accessories, seller terms and the actual strap or bracelet configuration; the 2012 price is not a present-day valuation.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
