Side by side

Borealis Watch Co. Estoril 300 GMTvsGlycine Airman GMT

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
Airman GMT
GlycineAirman GMT
MSRP $2,700
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 Airman GMT

Owners widely appreciate the Glycine Airman GMT's classic pilot design and consider it a well-built watch, with some noting the 39mm models offer perfect sizing and 200m water resistance. Reviewers praise the plexiglass crystal and matte dial, while some owners find the GMT hand visually similar to the minute hand, making it difficult to read. Accuracy from the Sellita-based movement is described as acceptable, though dial lume pips are noted as weaker than the hands. On balance, owners and reviewers value the Glycine Airman GMT for its faithful reproduction of a classic pilot watch design, despite some legibility concerns with the GMT hand.

At a glance

17 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Airman GMT42mm
Power Reserve
Estoril 300 GMT40h
Airman GMT48h
Water Resistance
Estoril 300 GMT300m
Airman GMT100m
MSRP
Estoril 300 GMT$600
Airman GMT$2,700

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
41.50mm
42mm
Thickness
13.5mm
12mm
Lug-to-Lug
47mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
BGW9
Luminous

Movement

4 specs
Caliber
Miyota 9075
SW330-2
Power Reserve
40h
48h
Jewels
25
21
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$600
$2,700
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