Circula Watches AquaSport GMTvsSignum Cuda

The measurements

Sized up.

Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Circula Watches AquaSport GMT at true scale

AquaSport GMT

Signum Cuda at true scale

Cuda

Diameter

40mm

42.5mm

Lug-to-Lug

46mm

lowest

48mm

Thickness

12.6mm

lowest

13.6mm

Water Resistance

200m

200m

Power Reserve

56h

n/a

MSRP

n/a

$499

Movement

Sellita SW330-2

Miyota 9015

Case

5 specs
Diameter
40mm
42.5mm
Thickness
12.6mm
13.6mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
Bronze

Crystal & Dial

2 specs
Dial Color
Blue
n/a
Lume
None
SuperLuminova

Movement

2 specs
Caliber
Sellita SW330-2
Miyota 9015
Power Reserve
56h
n/a

Pricing

1 specs
MSRP
n/a
$499

What people say

Owners + reviewers, side by side.

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Circula Watches AquaSport GMT

Owners widely praise the Circula Watches AquaSport GMT for its spectacular lume and handcrafted case finishing, with many appreciating its 1970s-inspired styling and unorthodox color choices. Reviewers consistently flag it as good value for money, noting the Sellita SW330-2 movement and sapphire crystal with anti-reflective coating. Some reviewers and owners point out that it uses a caller GMT movement, which is less versatile for active travelers than a flyer GMT, and one owner notes the GMT hand only moves forward. Overall, owners and reviewers rate the Circula Watches AquaSport GMT highly for its retro design and impressive finishing at its price point.

Signum Cuda

Owners widely praise the Signum Cuda's distinctive dials, with the Lapis Lazuli and thermally blued meteorite noted for their unique play of light. The lume on the bezel and markers is also a highlight, described as fantastic and "god tier" by some. However, multiple owners criticize the lume on the hands for significantly underperforming compared to other watches, rendering them unreadable in low light. One owner reported condensation inside the watch after light use, questioning build quality, while another stated their Cuda has been fine in water. On balance, owners appreciate the unique dial options and strong bezel/marker lume on the Signum Cuda, despite consistent criticism regarding the hand lume.

From video reviewers

The fully lumed dial is a standout strength. The bracelet's perceived quality was not consistently addressed.

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