Side by side

Marathon Jeep Rubicon TSARvsSeiko Prospex Sea

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Jeep Rubicon TSAR
MarathonJeep Rubicon TSAR
MSRP $1,650
Prospex Sea
SeikoProspex Sea
MSRP $1,500

At a glance

13 of 29 specs differ
Diameter
Jeep Rubicon TSAR41mm
Prospex Sea43.5mm
Power Reserve
Jeep Rubicon TSAR40h
Prospex Sea70h
Water Resistance
Jeep Rubicon TSAR300m
Prospex Sea200m
MSRP
Jeep Rubicon TSAR$1,650
Prospex Sea$1,500

Full specifications

Case

6 specs
Diameter
41mm
43.5mm
Thickness
14mm
13.3mm
Lug-to-Lug
48mm
51mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Green
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Swiss High-Torque Quartz
6R35
Power Reserve
40h
70h
Jewels
25
24

Pricing

1 specs
MSRP
$1,650
$1,500

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What people say

Owners + reviewers, side by side

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

Marathon Jeep Rubicon TSAR

Marathon Jeep Rubicon TSAR owners praise its toughness and 41mm size for a 7" wrist, noting the sapphire crystal remains nearly flawless after a decade of near-daily wear and abuse. Tritium lume is still acceptable in darkness, and the bezel, though missing its 0-mark triangle, remains tight and clicks solidly. The watch features a steel case water-resistant to 300 meters, a Sellita SW200-1 automatic movement, and dual branding that de-emphasizes Marathon. Overall, owners rate the Marathon Jeep Rubicon TSAR highly for its exceptional durability and practical size.

Seiko Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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