Side by side

Bremont SupernovavsHamilton Jazzmaster Performer Autochrono

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

Supernova
BremontSupernova
MSRP $8,250
Jazzmaster Performer Autochrono
HamiltonJazzmaster Performer Autochrono
MSRP $2,645

At a glance

9 of 29 specs differ
Diameter
Supernova41mm
Jazzmaster Performer Autochrono42mm
Power Reserve
Supernova40h
Jazzmaster Performer Autochrono60h
Water Resistance
Supernova100m
Jazzmaster Performer Autochrono100m
MSRP
Supernova$8,250
Jazzmaster Performer Autochrono$2,645

Full specifications

Case

5 specs
Diameter
41mm
42mm
Thickness
14.4mm
15.22mm
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
Blue

Movement

2 specs
Caliber
H-31
Power Reserve
40h
60h

Pricing

1 specs
MSRP
$8,250
$2,645

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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 Performer Autochrono

Owners widely praise the Hamilton Jazzmaster Performer Autochrono for its versatile design, clean no-date dial, and comfortable wearability. Reviewers note the 42mm model features dauphine hands and a tachymeter bezel, powered by the H-31 automatic chronograph movement with a 60-hour power reserve. Some owners report an 80-hour power reserve and find the watch a beautiful choice for daily wear, while others express concerns about the price point and the durability of the black bezel. Accuracy averages just over 2 seconds per day, though one owner experienced an internal issue requiring service. On balance, owners and reviewers appreciate the Hamilton Jazzmaster Performer Autochrono for its attractive styling and daily wearability, despite some reservations regarding its price and bezel durability.

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