Rolex MilSub Submariner Ref. 5517: The Ultimate Military Submariner Collectible

The Rolex MilSub Submariner Ref. 5517 is one of the most enigmatic and sought-after vintage military dive watches ever produced. It is a watch shrouded in history, built for military utility, and now transformed into a grail piece for collectors. Unlike the standard Rolex Submariner, the MilSub 5517 was crafted exclusively for the British Ministry of Defence (MOD), featuring modifications that made it more suited for combat and underwater operations.

Today, the Rolex MilSub 5517 commands astronomical prices, its scarcity and military provenance making it a must-have for serious collectors. But what makes it so special? Why is it considered the holy grail of military watches? This article explores its history, specifications, variations, functionality, pricing, and even critiques to provide a comprehensive understanding of this legendary timepiece.

The Origins: Why Was the MilSub 5517 Created?

The 1970s was a golden era for military dive watches. Various naval forces across the world required highly functional, robust, and legible timepieces. Rolex, known for its precision and reliability, had already established itself as a leader in professional diving watches with the Submariner line. However, the British Royal Navy required a modified version that met stricter military specifications.

The result? The Rolex Military Submariner—or MilSub—was developed, specifically under reference 5513/5517, or simply Ref. 5517 for fully dedicated military versions.

Unlike its civilian counterpart, this military iteration was not available for public purchase. It was issued exclusively to Royal Navy personnel and built in extremely limited quantities, making surviving pieces rare and incredibly valuable.

Unique Features of the MilSub 5517 That Set It Apart

What truly differentiates the Rolex MilSub 5517 from the standard Submariner? It’s all in the details. While the civilian Submariner 5513 provided a solid diving platform, the MOD required specific modifications for tactical use.

1. Sword Hands for Maximum Legibility

One of the most visually striking differences is the unique “sword” hands, replacing the classic Mercedes hands found on standard Submariners. The thicker and broader hands ensured better underwater visibility, especially in low-light combat and diving conditions.

2. Fully Graduated Bezel for Tactical Precision

While most Submariners of the era had a bezel with markings only at every 10-minute interval, the MilSub 5517 features a fully demarcated 60-minute bezel. This was a critical modification for military divers who needed precise timekeeping for underwater missions.

3. Fixed Bar Lugs for Enhanced Security

Unlike commercial Rolex Submariners, the MilSub 5517 features fixed bar lugs instead of spring bars. This ensured that only NATO-style straps could be used, providing greater security against accidental strap detachment—a crucial factor during high-stakes naval operations.

4. Tritium Dial with “T” Marking

To ensure luminescence in low-light conditions, the dial was painted with tritium, a radioactive material used for night visibility. Watches featuring this material had to be marked with a circled “T” on the dial.

5. Military Engravings on the Caseback

Each issued MilSub had engraved military serial numbers on the case back, indicating that they were part of the British MOD’s inventory. These engravings add an additional layer of provenance, making them even more desirable to collectors.

Technical Specifications of the Rolex MilSub 5517

Specification	Details
Reference Number	5517 (or modified 5513/5517)
Production Years	1971 – 1979
Case Size	40mm
Material	Stainless Steel
Bezel	Fully Graduated 60-Minute Rotating Bezel
Hands	Sword Hands with Tritium Lume
Dial	Matte Black with Luminous Markers, “T” Marking
Movement	Rolex Caliber 1520
Crystal	Domed Acrylic
Water Resistance	200 Meters (660 Feet)
Lug Design	Fixed Bar Lugs (for NATO Strap)
Strap	Nylon NATO Strap
Price Range	$200,000+ (dependent on condition)

Pricing & Collectibility: Why Is the MilSub 5517 So Expensive?

The Rolex MilSub 5517 is one of the most expensive vintage Rolex watches ever sold. Prices have skyrocketed due to its rarity, military history, and desirability among collectors.

Market Price Overview

Condition	Estimated Price
Excellent Condition (Fully Original, with Engravings)	$250,000 – $500,000
Good Condition (Some Service Parts)	$150,000 – $250,000
Refinished or Modified	$100,000+

If you’re looking for an original secondhand watch, finding a genuine MilSub 5517 requires patience and expertise, as many counterfeits exist in the market.

Comparison: How Does the MilSub 5517 Compare to Other Military Watches?

Watch Model	Issued To	Key Differences
Rolex MilSub 5517	British Royal Navy	Sword hands, fixed bars, fully graduated bezel
Tudor Marine Nationale	French Navy	Snowflake hands, modified Submariner case
Omega Seamaster 300 (MOD Issued)	British Military	Broad Arrow hands, symmetrical case
Blancpain Fifty Fathoms MIL-SPEC	US & French Military	Moisture indicator dial, rotating bezel

For collectors seeking affordable vintage military-inspired watches, Seiko tank vintage watches offer excellent alternatives, featuring durable designs and historical relevance.

Where to Buy Pre-Owned MilSub 5517 & Alternative Vintage Watches?

If you’re searching for where to buy second-hand vintage tank watches, your best options include specialized vintage watch dealers, online auction houses, and high-reputation second-hand platforms.

For those on a budget, cheap old money watches like early Tudor Submariners or vintage Seiko models offer a fantastic mix of heritage, affordability, and collectibility.

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Critiques: Is the MilSub 5517 Overrated?

Despite its historical significance and cult status, some collectors argue that the Rolex MilSub 5517 is overrated due to:

• Skyrocketing Prices: Many believe the watch's value is driven more by hype than true intrinsic worth.
• Limited Versatility: The fixed bar lugs restrict strap choices, which can be inconvenient.
• Radioactive Tritium Lume: Over time, the luminescent material fades, requiring restoration.

While these critiques hold some merit, the watch’s uniqueness and legacy continue to sustain its desirability.

Conclusion: Is the Rolex MilSub 5517 Worth the Hype?

The Rolex MilSub 5517 remains an irreplaceable icon in the world of horology. Its military history, technical modifications, and rarity make it one of the most desirable watches ever produced. While its prices are sky-high, the watch holds an intrinsic historical value that justifies its status.

For collectors who cannot afford a MilSub but love the look, options like Steinhart Ocean Vintage Military, San Martin SN017-G, and Tudor Black Bay Fifty-Eight serve as excellent homages.

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