Side by side

Hamilton Jazzmaster Performer Auto chronovsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

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 Auto chrono

The Hamilton Jazzmaster Performer Auto chrono is praised as a good entry-level Swiss watch with desirable features and a reputable brand name, offering a sporty take on the Jazzmaster line with a 42mm case and a three-register layout. Owners note its 60-hour power reserve from the H-31 movement and find it a durable, stylish choice for daily wear. Some community members consider it a "sleeper model" with a stealthily beautiful design. However, some reviewers question its design originality, seeing similarities to other chronographs, and one commenter dislikes its 43mm case and long lug-to-lug measurement. The strap is described as stiff out of the box and on the shorter side. One owner questioned if the bezel was functional, and another felt it might be small and pricey for its specifications. Overall, owners and reviewers rate the Hamilton Jazzmaster Performer Auto chrono well for its value as an entry-level Swiss chronograph with desirable features and a reputable brand name.

Seiko Prospex SPEEDTIMER Mechanical Chronograph

The Seiko Prospex SPEEDTIMER Mechanical Chronograph is praised for its handsome, heritage-inspired design with a clean, balanced dial and an external tachymeter bezel. Reviewers highlight the upgraded case and bracelet, noting improved comfort and good value for a well-designed chronograph with an in-house movement. The caliber 8R48 movement features a vertical clutch and column wheel with MEMS technology for durability and precision. Points to consider include the 4:30 date window and a 14.6mm thickness, while the 45-hour power reserve is noted as an area for potential improvement. On balance, reviewers find the Seiko Prospex SPEEDTIMER Mechanical Chronograph to be a solid offering with good value, particularly for its design and in-house movement.

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Performer Auto chrono42mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
Jazzmaster Performer Auto chrono60h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
Jazzmaster Performer Auto chrono100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
Jazzmaster Performer Auto chrono$2,645
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

3 specs
Thickness
15.22mm
14.6mm
Lug-to-Lug
50mm
49.5mm
Lug Width
22mm
20mm

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-31
8R48
Power Reserve
60h
45h
Jewels
25
34

Pricing

1 specs
MSRP
$2,645
$2,500
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Hamilton Jazzmaster Performer Auto chrono vs Seiko Prospex SPEEDTIMER Mechanical Chronograph gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.