Studio Underd0g Watermel0n (Gen3)vsYema Rallygraf Alpine Cup Series
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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.

Watermel0n (Gen3)

Rallygraf Alpine Cup Series
Diameter
38.5mm
39mm
Lug-to-Lug
44.5mm
n/a
Thickness
12.9mm
10.2mm
lowest
Water Resistance
50m
50m
Power Reserve
50h
n/a
MSRP
$800
$449
lowest
Movement
Seagull ST1901
Quartz
Case
5 specsCrystal & Dial
1 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Studio Underd0g Watermel0n (Gen3) is widely praised for its novel, playful, and colorful design, often described as a fun, juicy, and fresh choice perfect for summer and as a conversation starter. Owners report outstanding build quality and a timeless design, with the strap also feeling premium. The manual-wind Seagull ST1901 movement is noted as mechanically interesting, with one owner reporting impressive accuracy of 1-3 seconds per day. However, one owner found the watermelon colorway became tiresome and felt the finishing was not very good, leading to a cheaper feel over time. The winding action is described as silent and smooth, though some find the lack of tactile feedback disconnects from the expected winding experience. Overall, owners and reviewers consider the Studio Underd0g Watermel0n (Gen3) a well-executed, irreverent, and fairly priced chronograph with a unique design.
The Yema Rallygraf Alpine Cup Series is praised for its crisp white dial, excellent lume, and retro-modern chronograph design, with owners highlighting its ideal 39mm case proportions and the clever integration of a perforated design into its five-link bracelet. Some find the mechaquartz movement overpriced for its features, and the mineral crystal is noted as a drawback compared to sapphire. Overall, owners and reviewers rate the Yema Rallygraf Alpine Cup Series well for its vintage reissue appeal and wearability at its price point.
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