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UNDONE Dark Knight: Retrospective Watch: Design and Specs

Announced in 2021, UNDONE’s Dark Knight: Retrospective watch references the 1960s Batmobile and The Riddler. Here are its reported specifications and launch-era details.
Estimate2–3 min Catalogued SpecialistWatchRanker Team
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UNDONE announced the Dark Knight: Retrospective in September 2021 as the third watch in its Batman-themed line. Its design draws on the 1960s Adam West Batmobile and Batman villain The Riddler. The launch edition was described as limited to 999 serialized pieces, with a USD 499 retail price at the time; neither figure confirms today’s price or availability.

What is the UNDONE Dark Knight: Retrospective?

The Dark Knight: Retrospective is a Batman-inspired watch from UNDONE. The brand’s September 14, 2021 announcement framed it as a new addition to its Batman collection and tied the design to the 1960s Batmobile associated with Adam West’s Batman and to The Riddler. Hypebeast described it as the third Batman-inspired UNDONE watch, following the 2019 Batman release and 2020 Batman Quantum (Hypebeast).

UNDONE’s launch email called the edition limited to 999 serialized pieces and listed a USD 499 retail price at launch (UNDONE). These are historical launch claims, not confirmation of remaining stock or a current price.

How does the design reference Batman?

Launch coverage interprets the domed crystal as a reference to the Batmobile canopy and the skeleton dial as echoing its Detect-A-Scope dashboard feature. Red accents are described as recalling the car’s trim; question marks associated with The Riddler appear as a low-light design detail. These are visual nods, not functional Batmobile features. (SWAGGER Magazine; Hypebeast)

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#1 Best Overall
UNDONE Aquadeep Black - Automatic Dive Watches for Men, Mens Watches
  • PROFESSIONAL 500M DEEP-DIVE PERFORMANCE - Built for serious underwater exploration, the Aquadeep delivers an impressive 500-meter (50 ATM) water resistance rating, allowing it to excel in demanding underwater environments. Equipped with a helium escape valve and screw-down crown, it is engineered to withstand the extreme pressures associated with professional diving and deep-sea adventures.
  • LIGHTWEIGHT TITANIUM CASE WITH DLC PROTECTION - The Aquadeep features a rugged titanium case finished in black DLC coating, offering exceptional durability while remaining lightweight on the wrist. This combination provides excellent corrosion resistance and long-lasting performance, making it an ideal companion for both underwater missions and everyday wear.
  • RELIABLE NH36 AUTOMATIC MOVEMENT - Powered by the trusted Japanese NH36 automatic movement, the Aquadeep delivers dependable mechanical timekeeping without the need for batteries. Designed for reliability and durability, this self-winding movement performs consistently in challenging environments and is favored by dive watch enthusiasts worldwide.
  • CERAMIC BEZEL AND SAPPHIRE CRYSTAL CONSTRUCTION - Built with a ceramic bezel and sapphire crystal featuring anti-reflective coating, the Aquadeep offers enhanced scratch resistance and long-term durability. These premium materials help maintain clarity and performance while protecting the watch from the rigors of active diving and outdoor use.
  • PURPOSE-BUILT TOOL WATCH FOR SERIOUS DIVERS - Designed with function as the priority, the Aquadeep focuses on depth capability, durability, and reliability. Its 500m rating, titanium construction, and professional-grade dive features make it a true instrument for divers who value performance over unnecessary complexity.

What are the reported specifications?

The following figures come from 2021 product coverage, rather than independent measurements or testing for this article.

Specification Reported detail
Case diameter 42 mm, reported by SWAGGER Magazine and The Time Bum
Case height 13.90 mm, reported by SWAGGER Magazine; The Time Bum describes it as nearly 14 mm
Case material and finish 316L stainless steel with black DLC coating, reported by The Time Bum
Crystal Domed K1 mineral, reported by The Time Bum
Movement Seiko NH72 skeleton automatic, reported by The Time Bum
Power reserve 42 hours, reported by SWAGGER Magazine
Water resistance 3 ATM / 30 m, reported by SWAGGER Magazine and The Time Bum
Strap 22 mm black Cordura with quick-release attachment, reported by SWAGGER Magazine and The Time Bum

Sources: The Time Bum and SWAGGER Magazine. The listed water-resistance rating is not a claim of suitability for a particular activity; consult the manufacturer’s guidance for use and care.

Rank #2
UNDONE Aquadeep Orange - Automatic Dive Watches for Men, Mens Watches
  • PROFESSIONAL 500M DEEP-DIVE PERFORMANCE - Built for serious underwater exploration, the Aquadeep delivers an impressive 500-meter (50 ATM) water resistance rating, allowing it to excel in demanding underwater environments. Equipped with a helium escape valve and screw-down crown, it is engineered to withstand the extreme pressures associated with professional diving and deep-sea adventures.
  • LIGHTWEIGHT TITANIUM CASE WITH DLC PROTECTION - The Aquadeep features a rugged titanium case finished in black DLC coating, offering exceptional durability while remaining lightweight on the wrist. This combination provides excellent corrosion resistance and long-lasting performance, making it an ideal companion for both underwater missions and everyday wear.
  • RELIABLE NH36 AUTOMATIC MOVEMENT - Powered by the trusted Japanese NH36 automatic movement, the Aquadeep delivers dependable mechanical timekeeping without the need for batteries. Designed for reliability and durability, this self-winding movement performs consistently in challenging environments and is favored by dive watch enthusiasts worldwide.
  • CERAMIC BEZEL AND SAPPHIRE CRYSTAL CONSTRUCTION - Built with a ceramic bezel and sapphire crystal featuring anti-reflective coating, the Aquadeep offers enhanced scratch resistance and long-term durability. These premium materials help maintain clarity and performance while protecting the watch from the rigors of active diving and outdoor use.
  • PURPOSE-BUILT TOOL WATCH FOR SERIOUS DIVERS - Designed with function as the priority, the Aquadeep focuses on depth capability, durability, and reliability. Its 500m rating, titanium construction, and professional-grade dive features make it a true instrument for divers who value performance over unnecessary complexity.
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Is it still available, and what does it cost now?

The sources cited here document the September 2021 launch, not present-day inventory, authorized sellers, or resale prices. They do not establish whether the watch is still sold new or whether an Amazon listing is current. Treat any offer you encounter as a separate listing to verify, including its seller, condition, stock, and price.

If considering a replacement strap, the reported width and quick-release attachment are useful starting points, but confirm the watch’s fit and strap dimensions before ordering a particular band.

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Quick Recap

Bestseller No. 3
Timex Unisex Weekender 38mm Watch - Vegas Golden Knights with Slip-Thru Single Layer Strap
Timex Unisex Weekender 38mm Watch - Vegas Golden Knights with Slip-Thru Single Layer Strap
Full Color Team Logo; 3 Hand Movement; Black Fabric Slip-through Strap (20mm lug width); 30 meter water resistant
$95.00
Bestseller No. 4
Elemental Medieval Knight Templar Red Crusader Cross Metallic Medallion Art Solid Brass Watch with Brass Metallic Dial.
Elemental Medieval Knight Templar Red Crusader Cross Metallic Medallion Art Solid Brass Watch with Brass Metallic Dial.
Classic handmade watch, 40 mm solid brass casing with stainless steel back; Classic optional American pinewood presentation / keepsake pillowed box
$139.00
Rank #4
Elemental Medieval Knight Templar Red Crusader Cross Metallic Medallion Art Solid Brass Watch with Brass Metallic Dial.
  • Classic handmade watch, 40 mm solid brass casing with stainless steel back
  • Classic optional American pinewood presentation / keepsake pillowed box
  • Retro croc print vegan leather bracelet with matching brass buckle
  • Original parchment art on metal, vivid colors
  • Limited Edition Original Art. Great Investment Potential for Watch Collectors.
Rank #3
Timex Unisex Weekender 38mm Watch - Vegas Golden Knights with Slip-Thru Single Layer Strap
  • Full Color Team Logo
  • 3 Hand Movement
  • Black Fabric Slip-through Strap (20mm lug width)
  • 30 meter water resistant
  • Mineral Glass Lens

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.

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