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Christopher Ward C1 Jump Hour Mk VvsSeiko Prospex Sea The Black Series

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
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765
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.

Seiko Prospex Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

At a glance

16 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
Prospex Sea The Black Series45mm
Power Reserve
C1 Jump Hour Mk V41h
Prospex Sea The Black Series41h
Water Resistance
C1 Jump Hour Mk V30m
Prospex Sea The Black Series200m
MSRP
C1 Jump Hour Mk V$3,295
Prospex Sea The Black Series$765

Full specifications

Case

8 specs
Category
Diver
Diameter
47.3mm
45mm
Thickness
14mm
13.2mm
Lug-to-Lug
47.3mm
47.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Noon
Black
Lume
SLN C1 X1 BL
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
SW200
4R36
Beat Rate
4 vph
28,800 vph
Jewels
26
24
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$765
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