LIV Watches GX-ACvsSeiko 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.

GX-AC

Prospex Speedtimer Mechanical Chronograph Limited Edition
Diameter
46mm
42.5mm
Lug-to-Lug
n/a
50mm
Thickness
15.5mm
15.1mm
lowest
Water Resistance
100m
100m
Power Reserve
42h
45h
highest
MSRP
$1,670
lowest
$3,000
Movement
Valjoux 7750
Seiko 8R46
Case
4 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report the LIV Watches GX-AC is a super solid, well-built timepiece that feels worth more than its price, with one owner calling it their "most sexy watch" and "go to watch" due to its toughness and aesthetics. Reviewers describe the GX-AC Signature Orange as a bold, tank-like chronograph with head-turning aesthetics, noting its 46mm case is surprisingly wearable due to curvature and black finish. On balance, owners and reviewers rate the LIV Watches GX-AC highly for its impressive build quality and striking design at its price point.
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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