Side by side

Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsSugess Seestern Heritage S436-2 BB 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
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

13 of 29 specs differ
Diameter
OSAR-D (Original SAR with Date) Automatic 41mm41mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
OSAR-D (Original SAR with Date) Automatic 41mm40h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
OSAR-D (Original SAR with Date) Automatic 41mm300m
Seestern Heritage S436-2 BB GMT10m
MSRP
OSAR-D (Original SAR with Date) Automatic 41mm$1,800
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41mm
40mm
Thickness
13mm
12.2mm
Lug-to-Lug
43.5mm
48mm
Lug Width
18mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
10m

Crystal & Dial

1 specs
Lume
None
Tritium

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$1,800
$299

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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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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