Borealis Watch Co. Estoril 300 GMTvsOrient Diver Design 40
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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

Diver Design 40
Diameter
41.5mm
39.9mm
Lug-to-Lug
47mm
46.5mm
lowest
Thickness
13.5mm
12.8mm
lowest
Water Resistance
300m
highest
200m
MSRP
$600
$395
lowest
Movement
Miyota 9075
Orient F6722
Case
4 specsCrystal & Dial
2 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 Orient Diver Design 40 for its value and solid build, with many appreciating its sapphire crystal. The Orient F6722 automatic movement is considered a dependable workhorse. Some owners find the Kamasu-style dial layout with arrow and sword hands and applied markers a disappointing change from the original's simpler design. Overall, owners rate the Orient Diver Design 40 highly for its value and dependable movement.
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