Side by side

Christopher Ward C1 Jump Hour Mk VvsFormex Reef 42 mm

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 $3,295
Reef 42 mm
FormexReef 42 mm
MSRP $2,414

At a glance

16 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
Reef 42 mm42mm
Power Reserve
C1 Jump Hour Mk V41h
Reef 42 mm56h
Water Resistance
C1 Jump Hour Mk V30m
Reef 42 mm300m
MSRP
C1 Jump Hour Mk V$3,295
Reef 42 mm$2,414

Full specifications

Case

8 specs
Category
Diver
Diameter
47.3mm
42mm
Thickness
14mm
11.4mm
Lug-to-Lug
47.3mm
47mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
300m

Crystal & Dial

2 specs
Dial Color
Noon
Black
Lume
SLN C1 X1 BL
Super-LumiNova

Movement

5 specs
Caliber
SW200
Sellita SW300-1
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
56h
Jewels
26
25
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$2,414

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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

Owners and reviewers widely praise the spectacular lume application and the multi-level dial design of the Christopher Ward C1 Jump Hour Mk V, noting its crisp legibility and the innovative JJ01 jump-hour module. The 39mm case is described as compact with alternating brushed and polished finishing, and the dial features a radially grooved center with a sapphire minute track. Some find the 14mm thickness and $3k price point high, while accuracy is rated at approximately ±20 seconds per day. The watch utilizes a Sellita SW200-1 base with a 38-hour power reserve. Overall, owners and reviewers appreciate the striking dial design and jump-hour complication, despite some reservations about the thickness and accuracy.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the price point.

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