Side by side

Christopher Ward C63 Sealander Extreme GMTvsMonta Atlas

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

C63 Sealander Extreme GMT
Christopher WardC63 Sealander Extreme GMT
MSRP $2,075
Atlas
MontaAtlas
MSRP $2,150

At a glance

12 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Atlas38.5mm
Power Reserve
C63 Sealander Extreme GMT56h
Atlas40h
Water Resistance
C63 Sealander Extreme GMT150m
Atlas152m
MSRP
C63 Sealander Extreme GMT$2,075
Atlas$2,150

Full specifications

Case

5 specs
Diameter
40mm
38.5mm
Thickness
12.05mm
Lug-to-Lug
48mm
47mm
Lug Width
22mm
Water Resistance
150m
152m

Crystal & Dial

2 specs
Dial Color
Black
Silver
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330-2
Monta M-23
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$2,150

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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 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.

Monta Atlas

The Monta Atlas is widely praised for its exceptional wearability, with its comfortable 38.5mm case size and buttery bracelet frequently highlighted. Owners and reviewers alike commend its fit and finish, noting a mix of brushed, polished, and blasted surfaces. However, the rehaut on the opaline silver dial is considered nearly illegible for the 24-hour GMT scale, leading some to suggest other dial colors are more practical for GMT functionality. One owner also flagged the crown as less sturdy than anticipated and noted the AR coating attracts fingerprints. Overall, owners and reviewers rate the Monta Atlas highly for its comfortable dimensions and appealing finishing.

From video reviewers

The Monta Opalin Silver's dial is a notable strength, particularly its subtle gradient effect that adds depth to the watch without being too flashy. The watch offers a notable value proposition due to its movement, typically found in more expensive timepieces. The bracelet can be prone to rattle, which might be a trade-off for some buyers.

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