Side by side

Oblvlo IM TourbillonvsSpinnaker Dumas GMT

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

IM Tourbillon
OblvloIM Tourbillon
MSRP $810
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

14 of 29 specs differ
Diameter
IM Tourbillon42mm
Dumas GMT44mm
Power Reserve
IM Tourbillon65h
Dumas GMT40h
Water Resistance
IM Tourbillon50m
Dumas GMT300m
MSRP
IM Tourbillon$810
Dumas GMT$399

Full specifications

Case

7 specs
Category
Skeleton
GMT
Diameter
42mm
44mm
Thickness
12.5mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
OBL.8024
Seiko NH34A
Power Reserve
65h
40h
Jewels
20
25
Complications
Tourbillon
None

Pricing

1 specs
MSRP
$810
$399

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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.

Oblvlo IM Tourbillon

Owners widely praise the Oblvlo IM Tourbillon for its skeletonized dial and carbon fiber case finishing, noting it looks more expensive than its price. However, some owners find the minute markers difficult to read, impacting time setting, and accuracy averages around -10 seconds per day. Concerns also exist regarding long-term reliability and parts availability for Chinese tourbillons. On balance, owners rate the Oblvlo IM Tourbillon highly for its visually striking aesthetic and perceived value, despite practical readability and accuracy drawbacks.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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