Side by side

Borealis Watch Co. SintravsOak & Oscar The Humboldt GMT SAR Edition

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

14 of 29 specs differ
Diameter
Sintra41.50mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
Sintra40h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
Sintra200m
The Humboldt GMT SAR Edition200m
MSRP
Sintra$650
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
41.50mm
39.5mm
Thickness
12.95mm
12.5mm
Lug-to-Lug
47.00mm
46.8mm
Lug Width
20mm
20mm
Material
Stainless Steel
Grade 5 Titanium
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
AR Coating
Inner
Underside
Lume
BGW9
Super-LumiNova

Movement

3 specs
Caliber
Miyota 9015
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh

Pricing

1 specs
MSRP
$650
$2,950

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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. Sintra

Borealis Watch Co. Sintra owners widely praise its well-executed design, featuring applied indices and a shimmering blue dial that some prefer over more expensive alternatives. The timepiece is noted for excellent build quality and high-end specifications for its price, including a Miyota 90S5 movement and a premium bracelet. One owner did not purchase due to its size not being 39mm or less, while the 90xx movements are considered reliable and accurate, though some find them noisy. On balance, owners rate the Borealis Watch Co. Sintra highly for its impressive design and build quality at its price point.

Oak & Oscar The Humboldt GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

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