Lebois & Co Numeral Chronograph 324.497vsSeiko Prospex SPEEDTIMER Mechanical

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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.

Lebois & Co Numeral Chronograph 324.497 at true scale

Numeral Chronograph 324.497

Seiko Prospex SPEEDTIMER Mechanical at true scale

Prospex SPEEDTIMER Mechanical

Diameter

39mm

39.5mm

Lug-to-Lug

47.4mm

44.5mm

lowest

Thickness

10.5mm

lowest

12mm

Water Resistance

50m

200m

highest

Power Reserve

60h

72h

highest

MSRP

$3,813

$995

lowest

Movement

LC-450

Seiko 6R55

Case

4 specs
Diameter
39mm
39.5mm
Thickness
10.5mm
12mm
Lug-to-Lug
47.35mm
44.5mm
Water Resistance
50m
200m

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

4 specs
Caliber
LC-450
Seiko 6R55
Type
Manual
Automatic
Power Reserve
60h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$3,813
$995
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Reviews

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

Lebois & Co Numeral Chronograph 324.497

The Lebois & Co Numeral Chronograph 324.497 is widely praised for its 39mm case size, which reviewers and owners find very wearable and well-proportioned, and for its vintage charm derived from elements like a stepped bezel and domed sapphire crystal. Owners and reviewers highlight the beautifully textured, multi-segmented dial with applied indices and blued hands, as well as the case finishing and detail, noting it punches above its price category. The manually wound LC-450 movement is noted for its smooth operation and a 60-hour power reserve, though one reviewer found the telemeter scale legibility suboptimal. Owners are split on the strap, with some finding it subpar and too thick, while others acknowledge its quality. On balance, owners and reviewers rate the Lebois & Co Numeral Chronograph 324.497 highly for its excellent case finishing and dial details at its price point.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is widely praised for its comfortable 39.5mm case size and appealing matte silver-white dial with LumiBrite indices. Owners find the watch visually attractive and comfortable for daily wear, with the 72-hour power reserve of the 6R55 automatic movement noted as a strength. Some users appreciate the chronograph function for everyday tasks, while others acknowledge it is rarely used by most purchasers. The watch features a countdown bezel and 20 bar water resistance. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its wearability and practical power reserve.