Side by side

Boldr Expedition EnigmathvsHamilton American Classic PSR Digital Quartz

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

Expedition Enigmath
BoldrExpedition Enigmath
MSRP $599
American Classic PSR Digital Quartz
HamiltonAmerican Classic PSR Digital Quartz
MSRP $1,225

At a glance

12 of 29 specs differ
Diameter
Expedition Enigmath41mm
American Classic PSR Digital Quartz41mm
Power Reserve
Expedition Enigmath42h
American Classic PSR Digital Quartz40h
Water Resistance
Expedition Enigmath200m
American Classic PSR Digital Quartz100m
MSRP
Expedition Enigmath$599
American Classic PSR Digital Quartz$1,225

Full specifications

Case

5 specs
Category
Tool
Dress
Thickness
12.8mm
13.3mm
Lug-to-Lug
47.5mm
46mm
Lug Width
20mm
24mm
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enigmath Coconino
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Miyota 9039,
H-10e
Type
Automatic
Quartz
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$599
$1,225

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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.

Boldr Expedition Enigmath

The watch's slide rule function is a convenient feature, allowing for calculations on the go. One potential drawback is the use of the Japanese Miyota 9039 movement, which may be a trade-off for some buyers. Reviewers disagree on whether the quick 'on the fly' adjust bracelet is a more significant advantage than the watch's sapphire crystal for durability and scratch resistance.

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.

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