Louis Erard 2300 Sport ChronographvsSeiko Prospex 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.

Louis Erard 2300 Sport Chronograph at true scale

2300 Sport Chronograph

Seiko Prospex Speedtimer Mechanical Chronograph Limited Edition at true scale

Prospex Speedtimer Mechanical Chronograph Limited Edition

Diameter

44mm

42.5mm

Lug-to-Lug

n/a

50mm

Thickness

n/a

15.1mm

Water Resistance

50m

100m

highest

Power Reserve

48h

highest

45h

MSRP

$4,146

$3,000

lowest

Movement

Valjoux 7750

Seiko 8R46

Case

6 specs
Diameter
44mm
42.5mm
Thickness
n/a
15.1mm
Lug-to-Lug
n/a
50mm
Lug Width
n/a
20mm
Material
Titanium
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Valjoux 7750
Seiko 8R46
Power Reserve
48h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$4,146
$3,000
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Reviews

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

Louis Erard 2300 Sport Chronograph

Owners and reviewers highlight the Louis Erard 2300 Sport Chronograph's lightweight titanium case with satin finishing and polished bevels, which makes its 44mm size feel less cumbersome. The watch is noted for its retro-modern aesthetic and unique dial designs, with one owner appreciating the addition of a moon phase complication and its practical alternative to a dress watch. Reviewers point out that its 50m water resistance lags behind modern alternatives, and one found the rainbow minute track too subtle. Overall, owners and reviewers rate the Louis Erard 2300 Sport Chronograph well for its distinctive design and comfortable wearability in titanium at its price point.

Seiko Prospex 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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