Marathon’s limited Watches of Espionage collaboration brings a titanium case to the SAR diver for the first time, according to launch coverage. The reported 39mm case retains 300m water resistance, while the no-date automatic movement is specified with a 65-hour power reserve. The announced run is 200 watches at $2,250; those launch terms do not confirm present availability.
What is new about the Titanium SAR?
The watch is a collaboration between Marathon and Watches of Espionage (W.O.E.). Gear Patrol described it on September 22, 2026, as the first titanium version of Marathon’s SAR military dive watch. Its case is reported as Grade 5 titanium, replacing the 316L stainless steel used in the steel GSAR configuration discussed below. The strap is black FKM rubber with a Grade 5 titanium pin buckle; it is not supplied with a full titanium bracelet.
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W.O.E. claims Grade 5 titanium is 40 percent lighter than 316L stainless steel, as reported by Gear Patrol. That is a material comparison attributed to the collaboration partner, not a measured comparison of the complete titanium and steel watches. The reviewed launch reporting gives no independently measured whole-watch weight for either version.
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Reported Titanium SAR specifications
| Specification | Titanium SAR launch reporting |
|---|---|
| Case material | Grade 5 titanium |
| Case diameter | 39mm |
| Bezel diameter | 41mm |
| Thickness | 14mm |
| Water resistance | 300m |
| Movement | Sellita SW200-2B automatic, no date |
| Power reserve | 65 hours |
| Strap and buckle | Black FKM rubber strap; Grade 5 titanium pin buckle |
These details are attributed to Gear Patrol’s September 22, 2026 launch report; Marathon’s reviewed official catalog page confirms specifications for a steel USMC GSAR, not the Titanium SAR.
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Dial and collaboration details
The launch report describes a matte black dial with applied markers, upgraded MaraGlo, and a red W.O.E. signature. Four red minute-track marks refer to a clandestine-meeting timing window described by W.O.E.; that explanation is the partner’s stated rationale. A spade logo appears on the crown and caseback. The strap has two tails, one extended to fit over a dive suit or heavy gear.
How it compares with Marathon’s listed steel USMC GSAR
Marathon’s official US product page lists the 41mm USMC GSAR as a 316L stainless-steel watch with a Sellita SW200-1 movement, Incabloc shock absorber and date display. It is also 14mm thick. The GSAR page provides a useful baseline, but this particular USMC configuration should not be treated as representative of every GSAR or as confirmation of the Titanium SAR’s official product reference.
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| Feature | Titanium SAR collaboration | 41mm USMC GSAR listed by Marathon |
|---|---|---|
| Case material | Grade 5 titanium, per Gear Patrol’s launch report | 316L stainless steel, per Marathon’s product page |
| Case diameter | 39mm; bezel diameter reported as 41mm | 41mm case |
| Lug-to-lug | Not stated in the launch report | 48mm |
| Thickness | 14mm | 14mm |
| Movement and date | Sellita SW200-2B automatic; no date; 65-hour reserve, per Gear Patrol | Sellita SW200-1 with Incabloc shock absorber; date, per Marathon |
| Water resistance | 300m, per Gear Patrol | 30 ATM submersibility, per Marathon |
| Strap or bracelet | Black FKM strap and titanium pin buckle; no full titanium bracelet, per Gear Patrol | Not stated in the cited official product specifications |
| Price | $2,250 announced launch price, per Gear Patrol and Two Broke Watch Snobs | $2,100 listed for this USMC configuration when Marathon’s page was accessed; not a universal GSAR price |
The 39mm and 41mm figures describe different measurements on the Titanium SAR: case diameter and bezel diameter, respectively. They are not conflicting case-size claims. Two Broke Watch Snobs reports the familiar SAR platform at 41mm across, 48mm lug-to-lug and 14mm thick, which offers additional context but does not establish a Titanium SAR lug-to-lug measurement.
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Price, production limit and availability
Gear Patrol reported an announced price of $2,250 and a 200-piece production limit. The preorder was scheduled to open September 24, 2026, at 2:00 p.m. Eastern, with deliveries expected to begin in January 2027; Two Broke Watch Snobs also reported the 200-piece run, September preorder and January 2027 delivery expectation. These are announcement-period terms, not confirmation that preorders remain open, that stock is available, or that deliveries have occurred. Check with the seller for current status.
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The reviewed Marathon catalog page lists the steel USMC GSAR but does not independently confirm the Titanium SAR’s official reference or current availability. A separate report says Marathon apparently confirmed a titanium GSAR expected in October 2026, but the reviewed Marathon pages do not confirm that release, so it should be treated as unverified rather than an established launch.
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Sources
- Gear Patrol, “A Classic Military Dive Watch Goes Titanium for the First Time,” September 22, 2026 — collaboration specifications and announced launch terms.
- Marathon, 41mm Official USMC Large Diver’s Automatic (GSAR) — official specifications and listed price for the steel USMC configuration.
- Two Broke Watch Snobs, “Marathon’s Military Dive Watch Goes Titanium for the First Time,” September 23, 2026 — launch details, platform dimensions and the unconfirmed titanium GSAR report.
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.
