Side by side

Borealis Watch Co. SintravsZelos Skyraider 40 Skeleton

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

12 of 29 specs differ
Diameter
Sintra41.50mm
Skyraider 40 Skeleton40mm
Power Reserve
Sintra40h
Skyraider 40 Skeleton40h
Water Resistance
Sintra200m
Skyraider 40 Skeleton50m
MSRP
Sintra$650
Skyraider 40 Skeleton$1,999

Full specifications

Case

7 specs
Category
Sport
Skeleton
Diameter
41.50mm
40mm
Thickness
12.95mm
8.2mm
Lug-to-Lug
47.00mm
40mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
200m
50m

Crystal & Dial

2 specs
Dial Color
Black
Ti Damascus LE
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9015
Swiss Skeletonised Marvin 700
Type
Automatic
Manual

Pricing

1 specs
MSRP
$650
$1,999

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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.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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