Side by side

Christopher Ward C1 Jump Hour Mk VvsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100
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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

At a glance

16 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
SBGM24540.5mm
Power Reserve
C1 Jump Hour Mk V41h
SBGM24572h
Water Resistance
C1 Jump Hour Mk V30m
SBGM245200m
MSRP
C1 Jump Hour Mk V$3,295
SBGM245$6,100

Full specifications

Case

7 specs
Category
GMT
Diameter
47.3mm
40.5mm
Thickness
14mm
14.4mm
Lug-to-Lug
47.3mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

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

Movement

5 specs
Caliber
SW200
9S66
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
72h
Jewels
26
25
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$6,100
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