Side by side

Bremont SupernovavsHamilton Jazzmaster Maestro Auto Chrono

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

Supernova
BremontSupernova
MSRP $8,250
Jazzmaster Maestro Auto Chrono
HamiltonJazzmaster Maestro Auto Chrono
MSRP $2,275

At a glance

8 of 29 specs differ
Diameter
Supernova41mm
Jazzmaster Maestro Auto Chrono41mm
Power Reserve
Supernova40h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
Supernova100m
Jazzmaster Maestro Auto Chrono100m
MSRP
Supernova$8,250
Jazzmaster Maestro Auto Chrono$2,275

Full specifications

Case

4 specs
Thickness
14.4mm
15.1mm
Lug-to-Lug
46mm
Lug Width
14.4mm
22mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Chronograph Bracelet
Silver

Movement

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

Pricing

1 specs
MSRP
$8,250
$2,275

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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.

Bremont Supernova

The Bremont Supernova is praised for its new ENG375 movement, big date, and power reserve indicator, with its 40mm steel case featuring mixed finishing and an integrated bracelet. Owners note good but not great lume, well-balanced proportions, and a premium feel for its price, despite a 173-gram weight. Some community members find the design derivative and the £8,000 price tag overly optimistic, with mixed views on the date window and crown guard. The proprietary Trip-Tick case construction offers shock protection, and the movement provides a 65-hour power reserve. Overall, owners and reviewers highlight the integrated bracelet and proprietary movement as key strengths of the Bremont Supernova.

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.

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