Side by side

Borealis Watch Co. Estoril 300 GMTvsMarathon MSAR (Medium Search & Rescue) Diver's Quartz

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

Estoril 300 GMT
Borealis Watch Co.Estoril 300 GMT
MSRP $600
MSAR (Medium Search & Rescue) Diver's Quartz
MarathonMSAR (Medium Search & Rescue) Diver's Quartz
MSRP $1,450

At a glance

9 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
MSAR (Medium Search & Rescue) Diver's Quartz36mm
Power Reserve
Estoril 300 GMT40h
MSAR (Medium Search & Rescue) Diver's Quartz40h
Water Resistance
Estoril 300 GMT300m
MSAR (Medium Search & Rescue) Diver's Quartz300m
MSRP
Estoril 300 GMT$600
MSAR (Medium Search & Rescue) Diver's Quartz$1,450

Full specifications

Case

5 specs
Diameter
41.50mm
36mm
Thickness
13.5mm
18mm
Lug-to-Lug
47mm
Lug Width
20mm
18mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9075
Swiss High-Torque Quartz
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$600
$1,450

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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.

Borealis Watch Co. Estoril 300 GMT

Owners widely praise the Borealis Watch Co. Estoril 300 GMT for its excellent value, robust build quality, and crisp dial, with reviewers highlighting its exceptionally bright BGW9 lume and dive-ready ceramic bezel. Some owners appreciate the brushed and polished finishes, though one owner noted a desire for a white-painted second hand. The included NATO strap is considered too thick with a loose weave, and the sapphire bezel insert is seen by some as a minor aesthetic departure from its inspirations. Overall, owners rate the Borealis Watch Co. Estoril 300 GMT highly for its impressive build quality and value.

Marathon MSAR (Medium Search & Rescue) Diver's Quartz

Owners widely praise the Marathon MSAR (Medium Search & Rescue) Diver's Quartz for its tool-like aesthetic, bright tritium lume, and satisfying bezel action, making it enjoyable to handle and use. One owner finds the 36mm case comfortable after an initial adjustment period, while another reports accuracy within a few seconds of atomic time. On balance, owners rate the Marathon MSAR (Medium Search & Rescue) Diver's Quartz highly for its superb value and enjoyable tool-watch characteristics.

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