Borealis Watch Co. Estoril 300 GMTvsZelos Blacktip 200m 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.

Estoril 300 GMT

Blacktip 200m GMT
Diameter
41.5mm
41mm
Lug-to-Lug
47mm
n/a
Thickness
13.5mm
13mm
lowest
Water Resistance
300m
highest
200m
MSRP
$600
$549
lowest
Movement
Miyota 9075
Seiko NH34
Case
6 specsCrystal & Dial
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners widely praise the Zelos Blacktip 200m GMT's rock-solid bracelet and great bezel action. The watch has sold out quickly and is unavailable from the brand. Overall, owners rate the Zelos Blacktip 200m GMT highly for its robust build and desirability, evidenced by its rapid sell-out status.
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