Side by side

Marathon Jeep Rubicon GSARvsSeiko King Seiko KSK

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

Jeep Rubicon GSAR
MarathonJeep Rubicon GSAR
MSRP $2,100
King Seiko KSK
SeikoKing Seiko KSK
MSRP $1,900

At a glance

15 of 29 specs differ
Diameter
Jeep Rubicon GSAR41mm
King Seiko KSK36.1mm
Power Reserve
Jeep Rubicon GSAR40h
King Seiko KSK72h
Water Resistance
Jeep Rubicon GSAR300m
King Seiko KSK100m
MSRP
Jeep Rubicon GSAR$2,100
King Seiko KSK$1,900

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
36.1mm
Thickness
14mm
11.6mm
Lug-to-Lug
48mm
43mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Box
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
Sellita SW200-1
6R51
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$2,100
$1,900

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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 GSAR

The Marathon Jeep Rubicon GSAR is widely praised as a rugged, high-quality tool watch that successfully blends Jeep branding with Marathon's functional heritage, featuring a unique dial with tritium illumination and an automatic Sellita SW200-1 movement. Owners appreciate its satisfying bezel action and durable build, making it a reliable daily wear that pairs well with Jeep's rugged image. However, some find the Jeep logo to be corporate and out of place with Marathon's austere design ethos, while one owner notes that second-hand examples can show wear on the bezel. The watch is priced at $1,500 USD. Overall, owners and reviewers rate the Marathon Jeep Rubicon GSAR highly for its robust construction and distinctive tritium lume, which are considered its strongest assets.

Seiko King Seiko KSK

The King Seiko KSK is widely praised for its refined finishing, with owners and reviewers noting its sharp case, faceted lugs, and well-executed dial indices, often comparing its polishing favorably to Grand Seiko. Enthusiasts appreciate its slim, retro design, with some stating it wears smaller than its official size due to the cushion case and close-to-the-wrist feel. The use of the slimline Calibre 6L35 movement is seen as an upgrade, maintaining the watch's slender profile, though some owners express concern over the price point and the perceived value of the movement. Accuracy figures vary, with one owner reporting +5 to +7 seconds per day, while another notes +15/-10 seconds per day. Some owners have noted minor quality control issues such as misaligned screws or a burr on a hand. On balance, owners and reviewers rate the King Seiko KSK highly for its exceptional case and dial finishing at its price point.

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