LIV Watches P-51vsSeiko 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.

LIV Watches P-51 at true scale

P-51

Seiko Prospex Speedtimer Mechanical Chronograph Limited Edition at true scale

Prospex Speedtimer Mechanical Chronograph Limited Edition

Diameter

42.8mm

42.5mm

Lug-to-Lug

50mm

50mm

Thickness

15mm

lowest

15.1mm

Water Resistance

100m

100m

Power Reserve

12h

45h

highest

MSRP

$2,150

lowest

$3,000

Movement

Valjoux 7750

Seiko 8R46

Case

5 specs
Category
Pilot
Chronograph
Diameter
42.8mm
42.5mm
Thickness
15mm
15.1mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel

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
12h
45h
Jewels
0
34

Pricing

1 specs
MSRP
$2,150
$3,000
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Reviews

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

LIV Watches P-51

Owners widely praise the LIV Watches P-51 for its excellent build quality, attention to detail, and appealing pilot-watch design, noting its impressive legibility with BGW9 lume and AR-coated crystal. One owner specifically highlights the attractive blue dial with orange accents and the titanium and matte ceramic construction. The Valjoux 7750 movement is regulated to +/- 4 seconds per day, and the watch features 100m water resistance and a ceramic bezel. However, some owners find the price, ranging from $750 to $1931AUD, to be high compared to other Valjoux 775X chronograph options. One owner expressed concern regarding lume performance, citing previous discussions about LIV watches. On balance, owners and reviewers rate the LIV Watches P-51 highly for its construction quality and finishing at the 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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