Side by side

Borealis Watch Co. Estoril 300 GMTvsSpinnaker Croft 39 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
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

11 of 29 specs differ
Diameter
Estoril 300 GMT41.50mm
Croft 39 GMT39mm
Power Reserve
Estoril 300 GMT40h
Croft 39 GMT40h
Water Resistance
Estoril 300 GMT300m
Croft 39 GMT100m
MSRP
Estoril 300 GMT$600
Croft 39 GMT$445

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41.50mm
39mm
Thickness
13.5mm
13mm
Lug-to-Lug
47mm
47mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Black
Red
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9075
Seiko NH34A

Pricing

1 specs
MSRP
$600
$445

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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.

Spinnaker Croft 39 GMT

Owners praise the Spinnaker Croft 39 GMT for its colorful design, NH34 GMT movement, and reasonable price, noting high-standard manufacturing on the case, bezel, and bracelet. One owner finds the 43mm case and 51mm lug-to-lug dimensions too large for the design, preferring a 39-40mm case size. A potential issue with the lume was noted by one user. On balance, owners value the Spinnaker Croft 39 GMT for its attractive design and build quality at its price point, though sizing is a point of contention for some.

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