Side by side

Borealis Watch Co. Porto CovovsGlycine Airman Purist

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Porto Covo
Borealis Watch Co.Porto Covo
MSRP $415
Airman Purist
GlycineAirman Purist
MSRP $2,700

At a glance

18 of 29 specs differ
Diameter
Porto Covo40mm
Airman Purist42mm
Power Reserve
Porto Covo40h
Airman Purist48h
Water Resistance
Porto Covo300m
Airman Purist100m
MSRP
Porto Covo$415
Airman Purist$2,700

Full specifications

Case

8 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
11.6mm
12mm
Lug-to-Lug
42.5mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Miyota 9039
SW330-2
Power Reserve
40h
48h
Jewels
25
21
Complications
None
Date

Pricing

1 specs
MSRP
$415
$2,700

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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. Porto Covo

The Borealis Porto Covo is widely praised for its 39mm size and unique cantilevered indices that create a 3D effect and depth. Owners note the indices' floating appearance is a well-executed design. One owner reported poor accuracy and a terse customer service response, while another wished for a 42mm size option. The $395 price is considered reasonable for a microbrand, though some feel it does not compare favorably to AliExpress options. Overall, owners appreciate the Borealis Porto Covo for its distinctive dial design and wearable 39mm case size.

Glycine Airman Purist

Owners widely praise the Glycine Airman Purist's 39mm case size as ideal, noting it wears well, while some prefer the 36mm variant. The 24-hour dial is an engaging feature that proves easy to adapt to, particularly for those familiar with 24-hour timekeeping. Readability is a point of discussion; while some contemporary models feature stealthy, difficult-to-read hands and bezels, others, especially vintage versions and the white-dial GL0376, offer good contrast and legibility. On balance, owners appreciate the Glycine Airman Purist for its comfortable wearability and unique 24-hour dial experience, despite some legibility concerns on specific configurations.

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