Side by side

Christopher Ward C1 Jump Hour Mk VvsPhoibos Reef Master

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
Reef Master
PhoibosReef Master
MSRP $335

At a glance

15 of 29 specs differ
Diameter
C1 Jump Hour Mk V40mm
Reef Master42mm
Power Reserve
C1 Jump Hour Mk V41h
Reef Master40h
Water Resistance
C1 Jump Hour Mk V30m
Reef Master200m
MSRP
C1 Jump Hour Mk V$3,095
Reef Master$335

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
42mm
Thickness
14mm
13mm
Lug-to-Lug
47.3mm
48mm
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
Green
Lume
SLN C1 X1 BL
Super-LumiNova

Movement

4 specs
Caliber
SW200-1
SII NH38
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$3,095
$335

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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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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