Side by side

Hamilton Jazzmaster Maestro Auto ChronovsMonta Atlas

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 $1,995
Atlas
MontaAtlas
MSRP $2,150

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Maestro Auto Chrono45mm
Atlas38.5mm
Power Reserve
Jazzmaster Maestro Auto Chrono60h
Atlas40h
Water Resistance
Jazzmaster Maestro Auto Chrono100m
Atlas152m
MSRP
Jazzmaster Maestro Auto Chrono$1,995
Atlas$2,150

Full specifications

Case

6 specs
Category
Chronograph
GMT
Diameter
45mm
38.5mm
Thickness
15.35mm
Lug-to-Lug
46mm
Lug Width
23mm
Water Resistance
100m
152m

Crystal & Dial

1 specs
Dial Color
Blue
Silver

Movement

2 specs
Caliber
H-21
Monta M-23
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,995
$2,150

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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 increase in quality and attention to detail, its versatile dial layout suitable for dressing up or down, and its bulletproof build that remains problem-free for years. Accuracy figures range from gaining about 5 seconds per day to keeping time within 10 seconds per day even after extended periods without service. Some owners find the lack of a second hand a deal-breaker, and the 45mm size can be chunky and may not fit under shirt sleeves. Concerns exist regarding the movement's serviceability, high maintenance costs, and intervals. On balance, owners rate the Hamilton Jazzmaster Maestro Auto Chrono highly for its robust build and quality for the price, despite some reservations about its size and serviceability.

Monta Atlas

The Monta Atlas is widely praised for its exceptional wearability, with its comfortable 38.5mm case size and buttery bracelet frequently highlighted. Owners and reviewers alike commend its fit and finish, noting a mix of brushed, polished, and blasted surfaces. However, the rehaut on the opaline silver dial is considered nearly illegible for the 24-hour GMT scale, leading some to suggest other dial colors are more practical for GMT functionality. One owner also flagged the crown as less sturdy than anticipated and noted the AR coating attracts fingerprints. Overall, owners and reviewers rate the Monta Atlas highly for its comfortable dimensions and appealing finishing.

From video reviewers

The Monta Opalin Silver's dial is a notable strength, particularly its subtle gradient effect that adds depth to the watch without being too flashy. The watch offers a notable value proposition due to its movement, typically found in more expensive timepieces. The bracelet can be prone to rattle, which might be a trade-off for some buyers.

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