Side by side

Hamilton American Classic Intra-Matic Auto ChronovsStudio 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 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 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

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

Full specifications

Case

5 specs
Diameter
40mm
38.5mm
Thickness
14.45mm
Lug-to-Lug
0mm
Lug Width
20mm
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
White
Open

Movement

2 specs
Caliber
H-31
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$2,645
$550
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