Side by side

Borealis Watch Co. Porto CovovsSugess Seestern S446 GMT

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
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

12 of 29 specs differ
Diameter
Porto Covo40mm
Seestern S446 GMT40mm
Power Reserve
Porto Covo40h
Seestern S446 GMT41h
Water Resistance
Porto Covo300m
Seestern S446 GMT100m
MSRP
Porto Covo$415
Seestern S446 GMT$269

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
40mm
Thickness
11.6mm
10mm
Lug-to-Lug
42.5mm
47mm
Lug Width
20mm
19mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Lume
BGW9
Tritium

Movement

4 specs
Caliber
Miyota 9039
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$415
$269

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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.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

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