Marathon Jeep Rubicon TSARvsMerkur MONOBLOCK TUNA

MONOBLOCK TUNA
MerkurMONOBLOCK TUNA

Ref. merkur-monoblock-tuna·MSRP $279

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Marathon Jeep Rubicon TSAR at true scale

Jeep Rubicon TSAR

Merkur MONOBLOCK TUNA at true scale

MONOBLOCK TUNA

Diameter

41mm

47mm

Lug-to-Lug

48mm

48mm

Thickness

14mm

lowest

17mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

40h

MSRP

$1,650

$279

lowest

Movement

Swiss High-Torque Quartz

Seiko NH35

Case

4 specs
Diameter
41mm
47mm
Thickness
14mm
17mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
n/a

Movement

2 specs
Caliber
Swiss High-Torque Quartz
Seiko NH35
Power Reserve
0h
40h

Pricing

1 specs
MSRP
$1,650
$279
Keep your wishlist and collection together in the appExplore the app

Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marathon Jeep Rubicon TSAR

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.

Merkur MONOBLOCK TUNA

Merkur MONOBLOCK TUNA owners widely praise its excellent finishing, often noting it surpasses typical examples, and appreciate the tactile, satisfying 60-click bezel action on the titanium case. The watch is described as robust, handling snow exposure and submersion well, with reliable performance and accuracy around +2 to +3 seconds per day. Some owners highlight the monoblock case construction and sapphire bezel insert options, while others enjoy the beautiful color and killer styling on an oyster bracelet. The quality is considered surprisingly good for the price. On balance, owners rate the Merkur MONOBLOCK TUNA highly for its exceptional finishing and reliable performance at its price point.