Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsBorealis Watch Co. Estoril 300 GMT
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
OSAR-D (Original SAR with Date) Automatic 41mm
Estoril 300 GMT
Diameter
41mm
41.5mm
Lug-to-Lug
43.5mm
lowest
47mm
Thickness
13mm
lowest
13.5mm
Water Resistance
300m
300m
MSRP
$1,800
$600
lowest
Movement
Sellita SW220-1
Miyota 9075
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Marathon OSAR-D (Original SAR with Date) Automatic 41mm is noted for its high legibility, featuring large hour markers and a white dial with applied indices. A functional date magnifier is present. The watch utilizes a reliable Sellita SW200-1 automatic movement. One reviewer found the bracelet lacked refinement and preferred the rubber strap option. On balance, reviewers highlight the Marathon OSAR-D (Original SAR with Date) Automatic 41mm's strong legibility and functional design as its primary strengths.
Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value and robust build quality, featuring crisp dial details and exceptionally bright BGW9 lume. Some owners note the bezel insert's sapphire construction as an aesthetic departure from its inspiration, and one owner wishes for a white-painted second hand. The Borealis Watch Co. Estoril 300 GMT is described as dive-ready with a ceramic bezel and homage design. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value at the price point.
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