Side by side

Borealis Watch Co. SintravsZelos Hammerhead (Tantalum LE)

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499

At a glance

12 of 29 specs differ
Diameter
Sintra41.50mm
Hammerhead (Tantalum LE)44mm
Power Reserve
Sintra40h
Hammerhead (Tantalum LE)40h
Water Resistance
Sintra200m
Hammerhead (Tantalum LE)300m
MSRP
Sintra$650
Hammerhead (Tantalum LE)$1,499

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
41.50mm
44mm
Thickness
12.95mm
13mm
Lug-to-Lug
47.00mm
44mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9015
Seiko NH35

Pricing

1 specs
MSRP
$650
$1,499

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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 Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

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