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Marathon TSAR Specifications
| Reference | WW194027, WW194027-0101 |
|---|---|
| Case Size | 41mm |
| Lug Width | 20mm |
| Lug-to-Lug | 48mm |
| Thickness | 11mm |
| Case Material | stainless steel (316L) |
| Crystal | sapphire |
| Water Resistance | 200m |
| Movement | Swiss quartz (Ronda 715Li) (quartz) |
| Bezel | unidirectional rotating dive bezel |
| Crown | screw-down |
| Case Back | screw-down |
| Price Range | $500-$700 |
Compatible Straps for the Marathon TSAR
The TSAR uses a 20mm Lug Width and is compatible with the following strap types.
| Type | Recommended Brand | Why It Works | Price Range | Link |
|---|---|---|---|---|
| NATO/ZULU | Marathon OEM | Classic look, easy to swap, fits 20mm lugs | $15–$80 | |
| rubber/silicone | Barton | Water-resistant, comfortable for daily wear | $15–$80 | |
| leather | Erika's Originals | Dresses up the watch, fits 20mm lugs | $15–$80 | |
| OEM stainless steel bracelet | Maratac | Compatible with 20mm attachment | $15–$80 |
Replacement Parts for the Marathon TSAR
| Part | Description | Compatibility Note |
|---|---|---|
| battery | Replacement component | Check compatibility with TSAR |
| crystal (sapphire) | Protective cover over the dial | Fits 41mm case |
| bezel insert | Outer ring marking | Matches unidirectional rotating dive bezel configuration |
| spring bars | Pins that hold the strap to the case | 20mm, 1.5mm diameter recommended |
| case back gasket | Seal that maintains water resistance | Required for 200m WR rating |
| tritium tubes | Replacement component | Check compatibility with TSAR |
Modding the Marathon TSAR
The TSAR is a popular platform for modding. Here are the most common modifications.
- strap swap — Upgrade to a premium aftermarket strap or metal bracelet.
Frequently Asked Questions
What lug width is the Marathon TSAR?
The Marathon TSAR has a 20mm lug width.
What is the difference between the GSAR and TSAR?
The GSAR is automatic (ETA 2824-2) and thicker at 14.5mm, while the TSAR is quartz (Ronda 715Li) and slimmer at 11mm. Both use tritium illumination and share the same case diameter and lug width.
Does the TSAR have tritium?
Yes. Like all Marathon military watches, the TSAR uses self-luminous tritium gas tubes for continuous low-light visibility.