Side by side

Bremont ionBirdvsChristopher Ward C63 Sealander Extreme GMT

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

ionBird
BremontionBird
MSRP $5,800
C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075

At a glance

14 of 29 specs differ
Diameter
ionBird43mm
C63 Sealander Extreme GMT40mm
Power Reserve
ionBird40h
C63 Sealander Extreme GMT56h
Water Resistance
ionBird
C63 Sealander Extreme GMT150m
MSRP
ionBird$5,800
C63 Sealander Extreme GMT$2,075

Full specifications

Case

7 specs
Category
Pilot
GMT
Diameter
43mm
40mm
Thickness
12.05mm
Lug-to-Lug
48mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
150m

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Black
Lume
None
SLN X1 BL / GL

Movement

4 specs
Caliber
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56h
Complications
None
GMT

Pricing

1 specs
MSRP
$5,800
$2,075

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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.

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 C63 Sealander Extreme GMT

The Christopher Ward C63 Sealander Extreme GMT is widely praised as a competent and comfortable tool watch offering excellent value. Reviewers consistently highlight its impressive Globolight lume, providing excellent legibility, and its well-proportioned 41mm brushed steel case. The Sellita SW330-2 movement is noted as reliable, though its standard accuracy is stated as ±20 seconds per day, and its GMT functionality is considered less advanced than some alternatives. One owner notes the green dial can be an acquired taste, and hands and markers are considered less refined than those on significantly more expensive watches. The Christopher Ward C63 Sealander Extreme GMT is priced attractively at €1,895 on bracelet. Overall, owners and reviewers highly regard the Christopher Ward C63 Sealander Extreme GMT for its rugged, travel-ready design and impressive lume at its price point.

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