Side by side

Christopher Ward C63 Sealander Extreme GMTvsSugess Seestern Heritage S436-2 BB GMT

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
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299

At a glance

9 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
C63 Sealander Extreme GMT56h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
C63 Sealander Extreme GMT150m
Seestern Heritage S436-2 BB GMT10m
MSRP
C63 Sealander Extreme GMT$2,075
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

3 specs
Thickness
12.05mm
12.2mm
Lug Width
22mm
20mm
Water Resistance
150m
10m

Crystal & Dial

1 specs
Lume
SLN X1 BL / GL
Tritium

Movement

4 specs
Caliber
SW330-2
Seiko NH34
Beat Rate
4 vph
3 vph
Power Reserve
56h
35h
Complications
GMT
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$2,075
$299

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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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

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