Side by side

Sinn 6052vsSeiko 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.

Sinn 6052

Owners praise the Sinn 6052 for its legible calendar and chronograph functions, and its classy sunburst dial. Some find the watch wears larger than its 41.5mm case size. The movement is noted to exhibit the characteristic "wobble" of the Valjoux 775x base. On balance, owners and reviewers rate the Sinn 6052 highly for its impressive functionality and attractive dial at its price point.

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

18 of 29 specs differ
Diameter
605241.5mm
Prospex SPEEDTIMER Mechanical Chronograph42mm
Power Reserve
605242h
Prospex SPEEDTIMER Mechanical Chronograph45h
Water Resistance
6052100m
Prospex SPEEDTIMER Mechanical Chronograph100m
MSRP
6052$5,929
Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

7 specs
Category
Tool
Chronograph
Diameter
41.5mm
42mm
Thickness
14.5mm
14.6mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Finish
polished
Caseback

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Applied
Lume
Luminescent
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Sinn SZ03
Seiko 8R48
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
45h
Jewels
26
34
Complications
Chronograph, Date, Day-Date
None

Pricing

1 specs
MSRP
$5,929
$2,500
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