Side by side

Christopher Ward C1 Jump Hour Mk VvsSeestern Sub 300 V4

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
Sub 300 V4
SeesternSub 300 V4
MSRP $10

At a glance

15 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
Sub 300 V442mm
Power Reserve
C1 Jump Hour Mk V41h
Sub 300 V441h
Water Resistance
C1 Jump Hour Mk V30m
Sub 300 V4200m
MSRP
C1 Jump Hour Mk V$3,295
Sub 300 V4$10

Full specifications

Case

7 specs
Category
Diver
Diameter
47.3mm
42mm
Thickness
14mm
13mm
Lug-to-Lug
47.3mm
46mm
Finish
Brushed + Polished + Sandblasted
Brushed + Sandblasted
Water Resistance
30m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
AR Coating
Inner
Underside
Dial Color
Noon
Orange
Lume
SLN C1 X1 BL
Japan Lume (blue glow)

Movement

4 specs
Caliber
SW200
Seiko NH35A
Beat Rate
4 vph
21,600 vph
Jewels
26
24
Complications
GMT, Moonphase
GMT, Date

Pricing

1 specs
MSRP
$3,295
$10

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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.

Seestern Sub 300 V4

Owners widely praise the Seestern Sub 300 V4 for its terrific fit and finish and surprising little touches at its $179 price, noting top-notch case, dial, bezel, and crystal. The bracelet is considered nice enough for the price point, and the watch is powered by the solid and reliable Seiko NH35 movement. Some owners report that the polished sides of the case show signs of wear. Overall, owners rate the Seestern Sub 300 V4 highly for its excellent case, dial, and bezel finishing at the price.

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