Side by side

Bremont ionBirdvsChristopher Ward The Twelve 660

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

ionBird
BremontionBird
MSRP $5,800
The Twelve 660
Christopher WardThe Twelve 660
MSRP $1,825

At a glance

14 of 29 specs differ
Diameter
ionBird43mm
The Twelve 66040mm
Power Reserve
ionBird40h
The Twelve 66045h
Water Resistance
ionBird
The Twelve 66030m
MSRP
ionBird$5,800
The Twelve 660$1,825

Full specifications

Case

7 specs
Category
Pilot
Diameter
43mm
40mm
Thickness
6.6mm
Lug-to-Lug
43.3mm
Lug Width
23.3mm
Material
Titanium
Stainless Steel
Water Resistance
30m

Crystal & Dial

1 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Green

Movement

5 specs
Caliber
SW210-1
Type
Automatic
Manual
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
45h
Jewels
25
18

Pricing

1 specs
MSRP
$5,800
$1,825

Follow this matchup

Get a note when Bremont ionBird vs Christopher Ward The Twelve 660 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 The Twelve 660

Christopher Ward The Twelve 660 owners and reviewers highlight its exceptionally thin 6.6mm case, achieved through a two-hand design, manual-wind movement, and 30m water resistance. The bracelet clasp, however, lacks micro-adjustments. Opinions are divided on the manual-wind nature and absence of a seconds hand, with some finding them unnecessary while others value the resulting slimness and winding experience. One user noted the logo as a drawback. Overall, the Christopher Ward The Twelve 660 is considered good value and well-made by the community, with its thinness being a primary draw.

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.