Geckota Workshop Jumping HourvsYema Granvelle CMM.29
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Workshop Jumping Hour

Granvelle CMM.29
Diameter
37mm
39mm
Lug-to-Lug
47mm
n/a
Thickness
n/a
8.6mm
Water Resistance
50m
50m
MSRP
$399
lowest
$1,913
Movement
Mechanical
Yema CMM.29
Case
5 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Geckota Workshop Jumping Hour for its attractive styling, eye-catching dial with a color that pops, and rare complication. The 37mm case is noted for its comfortable wear, though one owner found a 39mm model to be a bit thick. The movement is described as a Seagull unit with a noisy rotor, but this is generally forgiven due to the watch's attractive looks and price point. Overall, owners rate the Geckota Workshop Jumping Hour highly for its beautiful dial and value.
Owners widely praise the Yema Granvelle CMM.29's dial, noting its guilloché pattern and carved indices that catch the light. One owner reports an impressive nearly 80-hour power reserve and a steady accuracy of +2 seconds per day. Some owners flag quality control issues, though customer service is reported to eventually resolve them, and one owner finds the movement a "feast for the eyes." Overall, owners rate the Yema Granvelle CMM.29 highly for its visually appealing dial and strong power reserve, despite some concerns about quality control.
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