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Seiko Prospex SPEEDTIMER Mechanical ChronographvsTissot PRX

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.

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.

Tissot PRX

Owners and reviewers widely praise the Tissot PRX for its exceptional finishing and value, with many noting it punches well above its price point. The well-constructed case and bracelet are frequently highlighted, as is its comfortable wearing profile and attractive sunburst dial. Some owners find the hype around the PRX overblown, and a few have noted quality control issues with specific models, such as a loose chrono hand or dust on the hands. The lack of micro-adjustment on the bracelet is a recurring minor criticism, and some reviewers suggest the dial hands could be less shiny or that the quartz movement could be more accurate. Overall, owners and reviewers rate the Tissot PRX highly for its impressive finishing and integrated bracelet design at an accessible price.

At a glance

12 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical Chronograph42mm
PRX42mm
Power Reserve
Prospex SPEEDTIMER Mechanical Chronograph45h
PRX68h
Water Resistance
Prospex SPEEDTIMER Mechanical Chronograph100m
PRX100m
MSRP
Prospex SPEEDTIMER Mechanical Chronograph$2,500
PRX$2,150

Full specifications

Case

3 specs
Thickness
14.6mm
14.54mm
Lug-to-Lug
49.5mm
41.5mm
Lug Width
20mm
13mm

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Graded green
Indices
Indexes
Lume
LumiBrite on hands and index(es)
Super-LumiNova ®

Movement

3 specs
Caliber
8R48
Valjoux A05.H31
Power Reserve
45h
68h
Jewels
34
0

Pricing

1 specs
MSRP
$2,500
$2,150
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