Side by side

Borealis Watch Co. Estoril 300 GMTvsFormex Essence ThirtyNine

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
Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
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.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

From video reviewers

The case suspension system enhances comfort and the COSC-certified movement is a strong feature. The bracelet exhibits noticeable rattle. Reviewers disagreed on the ideal case size, with some preferring the 39mm and others the 41mm.

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Essence ThirtyNine39mm
Power Reserve
Estoril 300 GMT40h
Essence ThirtyNine41h
Water Resistance
Estoril 300 GMT300m
Essence ThirtyNine100m
MSRP
Estoril 300 GMT$600
Essence ThirtyNine$2,390

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
41.50mm
39mm
Thickness
13.5mm
10mm
Lug-to-Lug
47mm
45mm
Lug Width
20mm
20mm
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Space Ghost
Lume
BGW9
Super-LumiNova

Movement

2 specs
Caliber
Miyota 9075
Sellita SW200-1
Power Reserve
40h
41h

Pricing

1 specs
MSRP
$600
$2,390
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