Side by side

Christopher Ward C1 Jump Hour Mk VvsSpinnaker Cahill Automatic

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
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

15 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
Cahill Automatic42mm
Power Reserve
C1 Jump Hour Mk V41h
Cahill Automatic40h
Water Resistance
C1 Jump Hour Mk V30m
Cahill Automatic200m
MSRP
C1 Jump Hour Mk V$3,295
Cahill Automatic$350

Full specifications

Case

7 specs
Category
Diver
Diameter
47.3mm
42mm
Thickness
14mm
13.7mm
Lug-to-Lug
47.3mm
51mm
Lug Width
20mm
22mm
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

2 specs
Dial Color
Noon
Green
Lume
SLN C1 X1 BL
None

Movement

5 specs
Caliber
SW200
SII NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
40h
Jewels
26
25
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$350

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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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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