Side by side

Hamilton American Classic Intra-Matic Chronograph HvsStudio Underd0g Watermelon (Gen3)

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

At a glance

11 of 29 specs differ
Diameter
American Classic Intra-Matic Chronograph H40mm
Watermelon (Gen3)38.5mm
Power Reserve
American Classic Intra-Matic Chronograph H60h
Watermelon (Gen3)40h
Water Resistance
American Classic Intra-Matic Chronograph H100m
Watermelon (Gen3)
MSRP
American Classic Intra-Matic Chronograph H$2,495
Watermelon (Gen3)$550

Full specifications

Case

5 specs
Diameter
40mm
38.5mm
Thickness
14.35mm
Lug-to-Lug
46mm
Lug Width
20mm
Water Resistance
100m

Crystal & Dial

2 specs
AR Coating
Inner
Inside
Dial Color
White

Movement

3 specs
Caliber
H-51
Type
Manual
Automatic
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,495
$550

Follow this matchup

Get a note when Hamilton American Classic Intra-Matic Chronograph H vs Studio Underd0g Watermelon (Gen3) gets more votes, a community discussion, or a price drop. No account needed.

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 Chronograph H

The Hamilton American Classic Intra-Matic Chronograph H is widely praised for its attractive vintage-inspired design, clean dial legibility, and satisfying manual-wind experience. Owners and reviewers highlight its retro charm, often described as elegant and classy with a 1960s aesthetic, and its well-balanced panda or reverse panda dial configurations. The H-51 hand-wound movement is noted for its torquey feel and a 60-hour power reserve, with timekeeping reported around +3 seconds per day. The 40mm case size is considered welcome, though its 14.35mm thickness is frequently mentioned as being on the thicker side for a hand-wound chronograph, despite wearing well on the wrist. Some owners expressed a desire for a three-subdial layout, and one noted the OEM strap was utilitarian, while another found the rotor audible and the date setting unusual. The Hamilton American Classic Intra-Matic Chronograph H is priced around $2,045 to $2,095 on bracelet.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.