Side by side

Hamilton American Classic PSR Digital QuartzvsStudio Underd0g Full Moon

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

American Classic PSR Digital Quartz
HamiltonAmerican Classic PSR Digital Quartz
MSRP $1,225
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

10 of 29 specs differ
Diameter
American Classic PSR Digital Quartz41mm
Full Moon39.5mm
Power Reserve
American Classic PSR Digital Quartz40h
Full Moon40h
Water Resistance
American Classic PSR Digital Quartz100m
Full Moon
MSRP
American Classic PSR Digital Quartz$1,225
Full Moon$800

Full specifications

Case

6 specs
Category
Dress
Casual
Diameter
41mm
39.5mm
Thickness
13.3mm
Lug-to-Lug
46mm
Lug Width
24mm
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
Black
Standard

Movement

2 specs
Caliber
H-10e
Type
Quartz
Manual

Pricing

1 specs
MSRP
$1,225
$800

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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 PSR Digital Quartz

Owners widely praise the Hamilton American Classic PSR Digital Quartz for its cool retro-futuristic design and historical reissue status, with many finding it comfortable for all-day wear on its tapering bracelet. Reviewers and owners consistently highlight its exceptional accuracy, with figures ranging from +/- zero seconds per day to -0.5 to +0.7 seconds per day. The watch features a hybrid dual display with LCD and OLED technology, a sapphire crystal, and 100m water resistance, with battery life estimated at three to five years. Some owners note sharp edges on the clasp buttons and a lack of micro-adjustments on the butterfly clasp, while others find the red LCD dim outdoors and the display activation delayed, requiring a button press to see the time in the dark. The price is considered accessible by some for its unique character and heritage, though others find it expensive for a quartz digital watch.

Studio Underd0g Full Moon

Owners widely praise the Studio Underd0g Full Moon's harmonious creamy dial and its 37mm case, which fits flawlessly. The innovative sapphire disc with numerals is a highlight, though two visible screws holding it are noted as a minor aesthetic drawback. Some owners find the watch overpriced, while others see value in the upgraded Sellita movement under $1k. Lume is surprisingly good, and the included NATO strap is preferred by some over the leather. Accuracy ranges from +1/+2 seconds per day to about -6 seconds per day. On balance, owners rate the Studio Underd0g Full Moon highly for its versatile dial and well-fitting case at the price point.

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