Side by side

Bremont ionBirdvsChristopher Ward C1 Jump Hour Mk V

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

ionBird
BremontionBird
MSRP $5,800
C1 Jump Hour Mk V
Christopher WardC1 Jump Hour Mk V
MSRP $3,295

At a glance

16 of 29 specs differ
Diameter
ionBird43mm
C1 Jump Hour Mk V47.3mm
Power Reserve
ionBird40h
C1 Jump Hour Mk V41h
Water Resistance
ionBird
C1 Jump Hour Mk V30m
MSRP
ionBird$5,800
C1 Jump Hour Mk V$3,295

Full specifications

Case

8 specs
Category
Pilot
Diameter
43mm
47.3mm
Thickness
14mm
Lug-to-Lug
47.3mm
Lug Width
20mm
Material
Titanium
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
30m

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Noon
Lume
None
SLN C1 X1 BL

Movement

5 specs
Caliber
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
41h
Jewels
25
26
Complications
None
GMT, Moonphase

Pricing

1 specs
MSRP
$5,800
$3,295

Follow this matchup

Get a note when Bremont ionBird vs Christopher Ward C1 Jump Hour Mk V gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.