Side by side

Seiko Prospex SPEEDTIMER MechanicalvsTissot 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

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

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

14 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical39.5mm
PRX42mm
Power Reserve
Prospex SPEEDTIMER Mechanical72h
PRX68h
Water Resistance
Prospex SPEEDTIMER Mechanical200m
PRX100m
MSRP
Prospex SPEEDTIMER Mechanical$995
PRX$2,150

Full specifications

Case

5 specs
Diameter
39.5mm
42mm
Thickness
12mm
14.54mm
Lug-to-Lug
44.5mm
41.5mm
Lug Width
20mm
13mm
Water Resistance
200m
100m

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
6R55
Valjoux A05.H31
Power Reserve
72h
68h
Jewels
24
0

Pricing

1 specs
MSRP
$995
$2,150
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