Side by side

Borealis Watch Co. SintravsSternglas Naos Solar

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Naos Solar
SternglasNaos Solar
MSRP $323

At a glance

13 of 29 specs differ
Diameter
Sintra41.50mm
Naos Solar38mm
Power Reserve
Sintra40h
Naos Solar
Water Resistance
Sintra200m
Naos Solar50m
MSRP
Sintra$650
Naos Solar$323

Full specifications

Case

6 specs
Category
Sport
Dress
Diameter
41.50mm
38mm
Thickness
12.95mm
10mm
Lug-to-Lug
47.00mm
42mm
Lug Width
20mm
20mm
Water Resistance
200m
50m

Crystal & Dial

2 specs
Dial Color
Black
Lume
BGW9
Luminova Punkten

Movement

4 specs
Caliber
Miyota 9015
Seiko VJ76
Type
Automatic
Solar
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$650
$323

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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.

Sternglas Naos Solar

Owners widely praise the Sternglas Naos Solar for its elegant Bauhaus-inspired minimalist dial, slim profile, and value for money. The scratch-resistant curved sapphire crystal and functional date mechanism are noted as durable features, with one owner reporting good wear over a year. The solar power and accuracy are highlighted as practical advantages over automatic movements, which some find loud. However, opinions are split, with some owners finding the watch underwhelming and cheap-looking, like a toy, while others love its appearance in person and its clean, appealing design as a smartwatch alternative. The stock leather strap is described as decent but basic and potentially short for larger wrists, with one owner advising a third-party replacement for durability. One owner of a different variant noted the date font is too small to be useful.

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