Side by side

Christopher Ward C1 Jump Hour Mk VvsGrand Seiko SLGH017

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
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

17 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
SLGH01740mm
Power Reserve
C1 Jump Hour Mk V41h
SLGH01780h
Water Resistance
C1 Jump Hour Mk V30m
SLGH017100m
MSRP
C1 Jump Hour Mk V$3,295
SLGH017$10,500

Full specifications

Case

8 specs
Category
Dress
Diameter
47.3mm
40mm
Thickness
14mm
11.7mm
Lug-to-Lug
47.3mm
47mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
100m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Noon
Black
Lume
SLN C1 X1 BL
None

Movement

5 specs
Caliber
SW200
9SA5
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
80h
Jewels
26
25
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$10,500

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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.

Grand Seiko SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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