Side by side

Borealis Watch Co. SintravsTudor Black Bay 58

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

17 of 29 specs differ
Diameter
Sintra41.50mm
Black Bay 5839mm
Power Reserve
Sintra40h
Black Bay 5865h
Water Resistance
Sintra200m
Black Bay 58200m
MSRP
Sintra$650
Black Bay 58$5,350

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
41.50mm
39mm
Thickness
12.95mm
11.7mm
Lug-to-Lug
47.00mm
46mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Inner
Lume
BGW9
None

Movement

6 specs
Caliber
Miyota 9015
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$650
$5,350

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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.

Tudor Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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