Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsLongines HYDROCONQUEST GMT

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

OSAR-D (Original SAR with Date) Automatic 41mm
MarathonOSAR-D (Original SAR with Date) Automatic 41mm
MSRP $1,800
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

9 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
HYDROCONQUEST GMT43mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
HYDROCONQUEST GMT72h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
HYDROCONQUEST GMT300m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
HYDROCONQUEST GMT$3,350

Full specifications

Case

5 specs
Diameter
41mm
43mm
Thickness
13mm
12.9mm
Lug-to-Lug
43.5mm
52mm
Lug Width
18mm
22mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

2 specs
Caliber
Sellita SW220-1
L844.5
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,800
$3,350

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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 OSAR-D (Original SAR with Date) Automatic 41mm

The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its highly legible white dial with applied hour markers and a functional date magnifier, emphasizing its tool-watch purpose. Its Swiss-made Sellita SW200-1 movement is considered reliable and serviceable. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. Overall, owners and reviewers appreciate the Marathon OSAR-D (Original SAR with Date) Automatic 41mm for its excellent legibility and robust movement.

Longines HYDROCONQUEST GMT

The Longines HYDROCONQUEST GMT is widely praised for its excellent finishing, with some comparing it favorably to higher-end dive watches, and its attractive blue sunburst dial. Owners note its practical true GMT complication and robust 41mm brushed case with ceramic bezel, powered by a movement offering a 72-hour power reserve. Some in the community find the round markers at 6 and 9 disrupt dial symmetry, though others appreciate this design element. A common criticism is the difficulty in reading the tiny GMT text beneath the hour markers, and the absence of a quick date adjust feature. One owner reported a sharp feeling on the bracelet's clasp, and another flagged mismatched date wheel colors on certain dial variants. Overall, owners and reviewers consider the Longines HYDROCONQUEST GMT a strong value proposition for a traveler's dive watch, citing its build quality and GMT functionality as key strengths.

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