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 $2,035

At a glance

17 of 29 specs differ
Diameter
ionBird43mm
The Twelve 66043.3mm
Power Reserve
ionBird40h
The Twelve 66045h
Water Resistance
ionBird
The Twelve 66030m
MSRP
ionBird$5,800
The Twelve 660$2,035

Full specifications

Case

8 specs
Category
Pilot
Diameter
43mm
43.3mm
Thickness
6.6mm
Lug-to-Lug
43.3mm
Lug Width
23.3mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
30m

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Blue
Lume
None
C1

Movement

6 specs
Caliber
SW210
Type
Automatic
Manual
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
45h
Jewels
25
18
Complications
None
Moonphase

Pricing

1 specs
MSRP
$5,800
$2,035

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 widely appreciate its thin 6.6mm case, achieved partly by reducing bezel and caseback diameters, and its well-made construction and value proposition. However, the community is split on the manual wind and lack of a second hand, with some finding these features unnecessary while others enjoy the interaction and thinness they enable. The bracelet's butterfly clasp lacks micro-adjustments, and some find the 30m water resistance limiting. Overall, owners and reviewers rate Christopher Ward The Twelve 660 highly for its innovative thin case design and perceived value, despite differing opinions on its manual-wind-only, no-date configuration.

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.