Side by side

Hamilton Jazzmaster Maestro Auto ChronovsStudio Underd0g Full Moon

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

Jazzmaster Maestro Auto Chrono
HamiltonJazzmaster Maestro Auto Chrono
MSRP $2,275
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Maestro Auto Chrono41mm
Full Moon39.5mm
Power Reserve
Jazzmaster Maestro Auto Chrono60h
Full Moon40h
Water Resistance
Jazzmaster Maestro Auto Chrono100m
Full Moon
MSRP
Jazzmaster Maestro Auto Chrono$2,275
Full Moon$800

Full specifications

Case

6 specs
Category
Chronograph
Casual
Diameter
41mm
39.5mm
Thickness
15.1mm
Lug-to-Lug
46mm
Lug Width
22mm
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
Silver
Standard

Movement

3 specs
Caliber
H-21
Type
Automatic
Manual
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,275
$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 Jazzmaster Maestro Auto Chrono

Owners widely praise the Hamilton Jazzmaster Maestro Auto Chrono for its dramatic quality and attention to detail, with its versatile design suitable for dressing up or down. Timekeeping is generally good, with one owner reporting gains of no more than 5 seconds per day, and another noting their 7750-based movement has kept time within 10 seconds per day even after 15 years without service. Some owners find the lack of a second hand a dealbreaker, and the 45mm size may not fit comfortably under sleeves. Concerns exist regarding potentially high maintenance costs and intervals. Overall, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its bulletproof build and classic, dressy appearance at an accessible price point.

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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