Side by side

Seiko Prospex SPEEDTIMER Mechanical ChronographvsTissot PR516

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 PR516

The Tissot PR516 is widely praised for its vintage-inspired design, robust and well-finished case, and the value it offers. Owners and reviewers frequently highlight its crisp dials, heritage inspiration, and modern refinements like the Powermatic 80 movement. Some owners appreciate its size and jubilee bracelet, finding it comfortable and a good alternative to other models. However, several sources note a 14mm thickness that can feel noticeable, and the bracelet clasp is considered a weak point by one reviewer, being a folded steel design. The case design is described by some as unrefined or boring, lacking the appeal of the original 70s model, and one enthusiast finds the hands a dealbreaker. The fixed bezel on some variants is seen as a gimmick by some owners, and the orange subdial hand can be difficult to read. On balance, owners and reviewers rate the Tissot PR516 highly for its strong vintage aesthetic and robust build quality at its price point.

From video reviewers

The Valjoux automatic movement is a key strength. The price point of €2,145 is a point of contention.

At a glance

12 of 29 specs differ
Diameter
Prospex SPEEDTIMER Mechanical Chronograph42mm
PR51641mm
Power Reserve
Prospex SPEEDTIMER Mechanical Chronograph45h
PR51668h
Water Resistance
Prospex SPEEDTIMER Mechanical Chronograph100m
PR516100m
MSRP
Prospex SPEEDTIMER Mechanical Chronograph$2,500
PR516$2,150

Full specifications

Case

3 specs
Diameter
42mm
41mm
Thickness
14.6mm
14.19mm
Lug-to-Lug
49.5mm
41mm

Crystal & Dial

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

Movement

3 specs
Caliber
8R48
Power Reserve
45h
68h
Jewels
34
0

Pricing

1 specs
MSRP
$2,500
$2,150
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