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

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

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 Guacamole (Gen3)

Owners widely praise the Studio Underd0g Guacamole (Gen3) for its fun, cheerful, and unusual design with great colors, and one owner found its actual wrist presence perfect. Some owners, however, find the dial printing tacky and the overall design looking cheap, while others feel it is a bit pricey for what is offered. The pushers lack crispness, and the crystal is very reflective and domed too much at the edges. One owner expresses concern that it uses a Seagull ST91-B movement, known for a high failure rate. On balance, owners are split on the value proposition of the Studio Underd0g Guacamole (Gen3) at its current price point, with some appreciating its unique aesthetic and others finding the design and movement choices underwhelming.

At a glance

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

Full specifications

Case

5 specs
Diameter
40mm
38.5mm
Thickness
14.35mm
Lug-to-Lug
49mm
Lug Width
20mm
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
White
Open

Movement

3 specs
Caliber
H-51
Type
Manual
Automatic
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$2,495
$550
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