Side by side

Christopher Ward C1 Jump Hour Mk VvsTudor Black Bay One 31 S&G

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
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

16 of 29 specs differ
Diameter
C1 Jump Hour Mk V47.3mm
Black Bay One 31 S&G31mm
Power Reserve
C1 Jump Hour Mk V41h
Black Bay One 31 S&G50h
Water Resistance
C1 Jump Hour Mk V30m
Black Bay One 31 S&G100m
MSRP
C1 Jump Hour Mk V$3,295
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Diameter
47.3mm
31mm
Thickness
14mm
9.5mm
Lug-to-Lug
47.3mm
46mm
Lug Width
20mm
17mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished + Sandblasted
Polished + Satin
Water Resistance
30m
100m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Dial Color
Noon
Black
Lume
SLN C1 X1 BL
None

Movement

5 specs
Caliber
SW200
MT5201
Beat Rate
4 vph
28,800 vph
Power Reserve
41h
50h
Jewels
26
25
Complications
GMT, Moonphase
None

Pricing

1 specs
MSRP
$3,295
$6,850

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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.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

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