Side by side

Hamilton Jazzmaster Performer AutomaticvsBaltic Hermétique Summer

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

Jazzmaster Performer Automatic
HamiltonJazzmaster Performer Automatic
MSRP $1,245
Hermétique Summer
BalticHermétique Summer
MSRP $594

At a glance

9 of 29 specs differ
Diameter
Jazzmaster Performer Automatic38mm
Hermétique Summer37mm
Power Reserve
Jazzmaster Performer Automatic80h
Hermétique Summer42h
Water Resistance
Jazzmaster Performer Automatic100m
Hermétique Summer150m
MSRP
Jazzmaster Performer Automatic$1,245
Hermétique Summer$594

Full specifications

Case

3 specs
Diameter
38mm
37mm
Thickness
11.47mm
10.8mm
Water Resistance
100m
150m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Blue
Orange
Lume
None
BGW9

Movement

2 specs
Caliber
H-10
Miyota 9039
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$1,245
$594

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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 Performer Automatic

Owners widely praise the Hamilton Jazzmaster Performer Automatic for its clean design, comfortable wearability, and impressive 80-hour power reserve, with accuracy averaging just over 2 seconds per day. Some owners note the bezel is non-functional, and one experienced an internal movement failure causing time jumps, though service resolved this. The 34mm variant is considered solid for smaller wrists due to its flatter crystal and reasonable lug-to-lug distance. On balance, owners and reviewers rate the Hamilton Jazzmaster Performer Automatic highly for its blend of style, comfort, and extended power reserve at its price point.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable price point.

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