Side by side

Hamilton American Classic Intra-Matic Auto ChronovsStudio Underd0g Watermelon (Gen3)

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

Watermelon (Gen3)
Studio Underd0gWatermelon (Gen3)
MSRP $550

At a glance

10 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Watermelon (Gen3)38.5mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Watermelon (Gen3)40h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Watermelon (Gen3)
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Watermelon (Gen3)$550

Full specifications

Case

5 specs
Diameter
40mm
38.5mm
Thickness
14.45mm
Lug-to-Lug
46mm
Lug Width
20mm
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Inner
Inside
Dial Color
White

Movement

2 specs
Caliber
H-31
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,645
$550

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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.

Hamilton American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

Studio Underd0g Watermelon (Gen3)

Owners widely praise the Studio Underd0g Watermelon (Gen3) for its fun, entrepreneurial, and affordable nature, with a design described as "Bauhaus meets Bugs Bunny." However, some find its colors a love-it-or-hate-it feature and others perceive the overall quality and finishing as a tier below comparable watches. Accuracy figures are not specified, but one owner found the watch too thick for their taste. The chronograph function has been noted as potentially sticky or jumpy. On balance, owners are divided on the Studio Underd0g Watermelon (Gen3), with opinions split between its unique design and perceived value for money.

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