Side by side

Christopher Ward C1 Jump Hour Mk VvsTornek-Rayville Blakjak 12-hr GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C1 Jump Hour Mk V
Christopher WardC1 Jump Hour Mk V
MSRP $3,095
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

15 of 29 specs differ
Diameter
C1 Jump Hour Mk V40mm
Blakjak 12-hr GMT42.5mm
Power Reserve
C1 Jump Hour Mk V41h
Blakjak 12-hr GMT42h
Water Resistance
C1 Jump Hour Mk V30m
Blakjak 12-hr GMT200m
MSRP
C1 Jump Hour Mk V$3,095
Blakjak 12-hr GMT$895

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
42.5mm
Thickness
14mm
13.2mm
Lug-to-Lug
47.3mm
49mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
30m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Noon
Black
Lume
SLN C1 X1 BL
Superluminova

Movement

4 specs
Caliber
SW200-1
SII NH36
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
42h
Jewels
26
25

Pricing

1 specs
MSRP
$3,095
$895

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What people say

Owners + reviewers, side by side

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

Christopher Ward C1 Jump Hour Mk V

The Christopher Ward C1 Jump Hour Mk V is praised for its proprietary JJ01 jumping hour complication and multi-level dial design featuring a floating sapphire dial with a lumed jump hour aperture. Reviewers note the 39mm stainless steel case's mix of brushed and polished finishes, with a polished bezel and brushed midcase. The dial's radially grooved center and sapphire minute track with a lumed underside enhance legibility, and the Super-LumiNova execution is described as an eye-catcher. The watch is powered by the JJ01 module atop a Sellita SW200-1 movement, offering a 38-hour power reserve. Accuracy is rated at approximately ±20 seconds per day. Some owners express concerns about the watch's 14mm thickness. Overall, owners and reviewers appreciate the unique dial execution and complication at its price point.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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