Side by side

Christopher Ward C1 Jump Hour Mk VvsSeiko Prospex Sea 1968 Heritage Diver's GMT Watch

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

At a glance

16 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
Prospex Sea 1968 Heritage Diver's GMT Watch42mm
Power Reserve
C1 Jump Hour Mk V41h
Prospex Sea 1968 Heritage Diver's GMT Watch72h
Water Resistance
C1 Jump Hour Mk V30m
Prospex Sea 1968 Heritage Diver's GMT Watch300m
MSRP
C1 Jump Hour Mk V$3,295
Prospex Sea 1968 Heritage Diver's GMT Watch$1,700

Full specifications

Case

7 specs
Category
Diver
Diameter
47.3mm
42mm
Thickness
14mm
13.3mm
Lug-to-Lug
47.3mm
48.6mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished + Sandblasted
Brushed and polished
Water Resistance
30m
300m

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

5 specs
Caliber
SW200
6R54
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
72h
Jewels
26
24
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$1,700

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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.

Seiko Prospex Sea 1968 Heritage Diver's GMT Watch

The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch offers a 300-meter depth rating and a caller-style GMT complication powered by the Caliber 6R54 movement, which provides a 72-hour power reserve. Reviewers note its refined clasp with extensive micro-adjustment. However, the movement's accuracy, ranging from +25 to -15 seconds per day, is considered a drawback by some. Overall, reviewers highlight the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch as a good reminder of Seiko's value, despite the wide accuracy range of its movement.

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