Side by side

Hamilton Jazzmaster Maestro Auto ChronovsYema Navygraf Chrono

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
Navygraf Chrono
YemaNavygraf Chrono
MSRP $1,999

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Maestro Auto Chrono45mm
Navygraf Chrono40mm
Power Reserve
Jazzmaster Maestro Auto Chrono60h
Navygraf Chrono40h
Water Resistance
Jazzmaster Maestro Auto Chrono100m
Navygraf Chrono100m
MSRP
Jazzmaster Maestro Auto Chrono$1,995
Navygraf Chrono$1,999

Full specifications

Case

5 specs
Diameter
45mm
40mm
Thickness
15.35mm
13.9mm
Lug-to-Lug
46mm
Lug Width
23mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Blue
Navy

Movement

2 specs
Caliber
H-21
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$1,995
$1,999

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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.

Yema Navygraf Chrono

Owners praise the Yema Navygraf Chrono for its handsome, versatile design and the value offered by its Valjoux 7750 movement. A reviewer notes the 40mm case's fully polished finish, which some feel clashes with its sporty aesthetic, and mentions its 13.9mm thickness is noticeable. One owner reported wearing the Yema Navygraf Chrono for two months without issues, receiving compliments. On balance, owners and reviewers find the Yema Navygraf Chrono to be a good-looking and well-specced watch for its price.

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