Borealis Watch Co. Sea Storm MK2 GMTvsMarathon Jeep Rubicon TSAR
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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.

Sea Storm MK2 GMT
Jeep Rubicon TSAR
Diameter
41.5mm
41mm
Lug-to-Lug
48.5mm
48mm
lowest
Thickness
14.2mm
14mm
lowest
Water Resistance
300m
300m
MSRP
$415
lowest
$1,650
Movement
Seiko NH34
Swiss High-Torque Quartz
Case
4 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Borealis Sea Storm MK2 GMT is noted for its retro aesthetic, featuring modern components, a black and white bezel, and an orange GMT hand. Owners highlight its ample lume and a well-made bracelet. The watch is described as being a relatively thick, yet surprisingly wearable, 41.5mm case size, with a date window that integrates smoothly into the dial. Overall, owners rate the Borealis Sea Storm MK2 GMT highly for its retro vibe and modern execution at its price point.
The Marathon Jeep Rubicon TSAR is noted for its successful dual branding, with the "Jeep" designation prominent on the dial. Owners praise its toughness and wearability, with one owner reporting near-daily wear for 10 years on a 7" wrist with a flawless sapphire crystal. The watch features tritium gas tubes and Maraglo illumination, a 41mm steel case, and a Swiss Made Sellita SW200-1 automatic movement, priced at $1,500 USD. One owner experienced the 0-mark triangle detaching from the bezel after a decade of significant abuse, though the bezel action remained tight and solid. On balance, owners and reviewers rate the Marathon Jeep Rubicon TSAR highly for its robust build and comfortable wearability.
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