Christopher Ward C1 Jump Hour Mk VvsGravithin Argomatic - AM01

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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.

C1 Jump Hour Mk V

Argomatic - AM01
Diameter
39mm
42mm
Lug-to-Lug
47.3mm
n/a
Thickness
14mm
10.7mm
lowest
Water Resistance
30m
50m
highest
Power Reserve
41h
42h
highest
MSRP
$3,095
$463
lowest
Movement
Sellita SW200-1
Miyota 9015
Case
6 specsCrystal & Dial
2 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners and reviewers praise the Christopher Ward C1 Jump Hour Mk V for its distinctive JJ01 jumping hour complication and the layered, textured dial design that plays with light. The watch features a 39mm stainless steel case with a mix of brushed and polished finishes, a tall box sapphire crystal, and a sapphire minute hand with a lumed underside for legibility. Some sources note a 14mm thickness and an accuracy of approximately ±20 seconds per day, with a 38-hour power reserve. Overall, the consensus is that the Christopher Ward C1 Jump Hour Mk V is a visually striking and well-finished watch, particularly for its unique complication and dial execution.
Owners praise the Gravithin ARGOMATIC - AM01 for its refreshing, clean, and unique design, with particular admiration for the mesmerizing sandwich dial and brilliant execution of BGW9 Super-LumiNova lume. The watch is considered good value, featuring a unique case and meteorite dial. Some owners would have preferred a case size below 40mm, though the brand chose 42mm for case shape reasons. A reviewer regretted the choice of a see-through caseback over an engraved one that would better suit the thematic inspiration. Overall, owners rate the Gravithin ARGOMATIC - AM01 highly for its distinctive dial and lume execution at the price.
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