Side by side

Borealis Watch Co. SintravsZelos Aurora Moonphase

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

10 of 29 specs differ
Diameter
Sintra41.50mm
Aurora Moonphase39mm
Power Reserve
Sintra40h
Aurora Moonphase40h
Water Resistance
Sintra200m
Aurora Moonphase200m
MSRP
Sintra$650
Aurora Moonphase$949

Full specifications

Case

6 specs
Category
Sport
Moonphase
Diameter
41.50mm
39mm
Thickness
12.95mm
12.5mm
Lug-to-Lug
47.00mm
39mm
Lug Width
20mm
20mm
Material
Stainless Steel
Titanium

Crystal & Dial

2 specs
Dial Color
Black
Meteorite
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9015
Sellita SW288

Pricing

1 specs
MSRP
$650
$949

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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 Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

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