Side by side

Christopher Ward C63 Sealander Extreme GMTvsBaltic Hermétique Summer

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
Hermétique Summer
BalticHermétique Summer
MSRP $594

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Hermétique Summer37mm
Power Reserve
C63 Sealander Extreme GMT56h
Hermétique Summer42h
Water Resistance
C63 Sealander Extreme GMT150m
Hermétique Summer150m
MSRP
C63 Sealander Extreme GMT$2,075
Hermétique Summer$594

Full specifications

Case

5 specs
Category
GMT
Dress
Diameter
40mm
37mm
Thickness
12.05mm
10.8mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Orange
Lume
SLN X1 BL / GL
BGW9

Movement

4 specs
Caliber
SW330-2
Miyota 9039
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
42h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$594

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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.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable price point.

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