Laco HockenheimvsSeiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Laco Hockenheim at true scale

Hockenheim

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition at true scale

Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

Diameter

42mm

42.5mm

Lug-to-Lug

n/a

50mm

Thickness

14.2mm

lowest

15.1mm

Water Resistance

100m

100m

Power Reserve

40h

45h

highest

MSRP

$2,400

lowest

$3,000

Movement

Valjoux 7750

Seiko 8R46

Case

4 specs
Diameter
42mm
42.5mm
Thickness
14.15mm
15.1mm
Lug-to-Lug
n/a
50mm
Lug Width
21mm
20mm

Crystal & Dial

3 specs
Crystal Shape
n/a
Curved
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Valjoux 7750
Seiko 8R46
Power Reserve
40h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,400
$3,000
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Laco Hockenheim

Owners praise the Laco Hockenheim's Type B dial for legibility and lume. One owner reports consistent accuracy of +2.5 seconds per day and finds the manual winding feel superior to automatics. The community generally considers the quality decent, though not on par with higher-end brands. Some owners appreciate the chronograph's reduced 42mm case size. Overall, owners rate the Laco Hockenheim highly for its legible Type B dial and reliable timekeeping.

Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition

The Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition is praised for its well-executed heritage inspiration and clean, balanced dial design, with reviewers noting its stark white dial is inspired by a 1964 stopwatch. Owners find the looks appealing and use the chronograph daily, though some criticize the date window's placement and the 24-hour subdial's lack of GMT functionality. The 42.5mm case is 15.1mm thick and powered by the Seiko 8R46 automatic chronograph movement. Overall, owners and reviewers rate the Seiko Prospex SPEEDTIMER SPEEDTIMER Mechanical Chronograph Limited Edition highly for its attractive aesthetic and purposeful design at the price point.

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