Side by side

Borealis Watch Co. Estoril 300 GMTvsGlycine Combat Sub Box Ceramic

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
Combat Sub Box Ceramic
GlycineCombat Sub Box Ceramic
MSRP $1,800

At a glance

18 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Combat Sub Box Ceramic41mm
Power Reserve
Estoril 300 GMT40h
Combat Sub Box Ceramic38h
Water Resistance
Estoril 300 GMT300m
Combat Sub Box Ceramic200m
MSRP
Estoril 300 GMT$600
Combat Sub Box Ceramic$1,800

Full specifications

Case

8 specs
Diameter
41.50mm
41mm
Thickness
13.5mm
12.75mm
Lug-to-Lug
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
300m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Grey
Indices
Applied
Lume
BGW9
Luminous

Movement

4 specs
Caliber
Miyota 9075
SW200-1
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Date

Pricing

1 specs
MSRP
$600
$1,800

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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.

Glycine Combat Sub Box Ceramic

Owners widely praise the Glycine Combat Sub Box Ceramic for its exceptional thinness at 10.4mm for a 42mm diver, perfect proportions for small wrists, and unique, non-homage aesthetic, with some considering it the best dive watch under $400 due to its superior finishing and value. The case shape, dimensions, and drilled lugs are also highlighted as positives, and the dial is legible with good lume on the hands. However, reviewers and owners consistently flag sub-par lume on the markers that fades quickly, and an inconsistent power reserve. Some owners report the stock strap or bracelet is subpar, and one owner experienced the bezel detaching after a light bump, questioning build quality. Accuracy figures vary, with one owner noting it runs about 2.5 seconds fast per day, while another reports an inconsistent power reserve. On balance, owners rate the Glycine Combat Sub Box Ceramic highly for its thinness, unique design, and value, despite concerns about lume and strap quality.

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