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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsIWC’s 2023 “Aquaman and the Lost Kingdom” collaboration introduced two limited-edition Aquatimer Perpetual Calendar Digital Date-Month watches: red-lume reference IW379405 and blue-lume IW379406. Each was limited to 25 pieces. The editions were inspired by glowing prop watches IWC supplied for the film; IWC’s announcement does not say these commercial watches were worn on screen.
What IWC announced
IWC Schaffhausen announced the collaboration with Warner Bros. Pictures on December 19, 2023, ahead of the film’s release. The two production references take their red- and blue-glowing design cues from prop watches supplied for the movie. IWC described the editions as inspired by those props, not as screen-used watches.
The announcement said the watches were available through selected IWC boutiques. That is launch-era information and does not establish current stock. Each colorway was limited to 25 pieces, according to IWC’s 2023 announcement.
IW379405 vs. IW379406
| Reference | Luminous color | Edition size |
|---|---|---|
| IW379405 | Red Super-LumiNova on the dial, hands and inner bezel | 25 pieces, IWC 2023 announcement |
| IW379406 | Blue Super-LumiNova on the dial, hands and inner bezel | 25 pieces, IWC 2023 announcement |
The luminous color and reference are the meaningful differences identified in IWC’s launch material. Both share a 49 mm Ceratanium case, black dial, black rubber strap and calibre 89802 movement.
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#1 Best Overall
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Case, movement and display
The 49 mm case, case-back ring, crown and pushers are made from Ceratanium, IWC’s proprietary titanium alloy processed to give it ceramic-like surface properties. IWC describes the material as combining titanium’s lightness and structural integrity with ceramic-like hardness and scratch resistance. The watches have black dials and black rubber straps.
IWC’s calibre 89802 is an automatic movement with a double-pawl winding system and a stated 68-hour power reserve. It combines a chronograph with a digital perpetual calendar that displays the date and month. The reference 3794 manual also documents a leap-year display and a flyback chronograph capable of measuring up to 12 hours.
Rank #2
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How the Aquatimer SafeDive bezel works
The watch pairs an external rotating bezel with an internal dive-time bezel. IWC’s manual describes the internal scale as the dive-time indicator and specifies that the external bezel turns counterclockwise only. That one-way movement is intended to prevent accidental extension of the indicated dive time. The manual lists water resistance at 10 bar and identifies a sapphire crystal.
The 10-bar rating is a specification, not evidence of a particular dive test or a guarantee of suitability for every underwater activity. Follow the manufacturer’s instructions and have water resistance checked as directed by IWC.
Rank #3
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Availability, warranty and straps
At launch, IWC said the watches could be purchased through selected boutiques and that owners could register for My IWC care. The announcement described registration as extending the standard two-year international limited warranty by six years. Those were the terms stated in 2023; current availability and program conditions are not established here.
The black rubber strap uses IWC’s patented quick-change system. For a replacement, check compatibility with the exact reference through IWC or an authorized retailer; a strap’s general appearance or attachment style alone does not confirm fit.
Quick Recap
Best Value
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- 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.
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Rank #4
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Sources
- IWC Schaffhausen’s December 19, 2023 launch announcement for the references, materials, movement summary, edition sizes, film inspiration and launch-era boutique and My IWC care information.
- IWC reference 3794 operating instructions for the chronograph, calendar, SafeDive bezel, water resistance and crystal details.
- IWC’s IW379405 product page for the watch and strap-system information.
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.
