Marathon TSAR (Tritium Search & Rescue) Diver's QuartzvsMomentum Champagne Sea Quartz 30 [42mm]
![Champagne Sea Quartz 30 [42mm]](/_next/image?url=%2Fimages%2Fwatches%2Fmomentum--champagne-sea-quartz-30.png%3Fv%3D1791486876456&w=1536&q=60)
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

TSAR (Tritium Search & Rescue) Diver's Quartz
![Momentum Champagne Sea Quartz 30 [42mm] at true scale](/_next/image?url=%2Fimages%2Fwatches%2Fmomentum--champagne-sea-quartz-30.png%3Fv%3D1791486876456&w=1536&q=60)
Champagne Sea Quartz 30 [42mm]
Diameter
46mm
42mm
Lug-to-Lug
48mm
n/a
Thickness
14mm
n/a
Water Resistance
300m
300m
MSRP
$1,550
$399
lowest
Movement
Swiss High-Torque Quartz
Quartz
Case
5 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Marathon TSAR (Tritium Search & Rescue) Diver's Quartz owners widely praise its high quality, extreme legibility, and bright tritium tubes that glow without needing to charge. The simple, functional dial layout and ISO 6425 certification are also noted strengths. One owner reports owning a TSAR for nearly 15 years with no problems and found Marathon's service experience to be great. Some owners mention the 41mm TSAR wears small and has a field watch aesthetic, while others note the crown can dig into the wrist. The tritium tubes in the hands provide excellent brightness in the dark. On balance, owners rate the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz highly for its exceptional tritium lume and robust, legible design.
Owners widely praise the Momentum Champagne Sea Quartz 30 [42mm] for its solid build quality, unique vintage-inspired design, and excellent value at its $295 price point. The watch is noted for its bright lume and arrives set correctly. Some owners find the 42mm case appears large, and one reviewer flagged a stiff and slippery bezel, along with a distracting gap in the date window, though another owner reported the bezel loosened with use. On balance, owners and reviewers rate the Momentum Champagne Sea Quartz 30 [42mm] highly for its fun design and strong value proposition.
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