Side by side

Christopher Ward C63 Sealander Extreme GMTvsFormex Essence ThirtyNine

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
Essence ThirtyNine
FormexEssence ThirtyNine
MSRP $2,390
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.

Formex Essence ThirtyNine

The Formex Essence ThirtyNine is praised for its impressive build quality and value, featuring a patented case suspension system for comfort and protection. It houses a COSC-certified Sellita SW200-1 movement with a 38-hour power reserve and a tool-free strap quick-release system. A minor inconvenience noted is the specific closing order of the clasp. On balance, reviewers rate the Formex Essence ThirtyNine highly for its comfortable wearability and excellent value at its price point.

From video reviewers

The case suspension system enhances comfort and the COSC-certified movement is a strong feature. The bracelet exhibits noticeable rattle. Reviewers disagreed on the ideal case size, with some preferring the 39mm and others the 41mm.

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT40mm
Essence ThirtyNine39mm
Power Reserve
C63 Sealander Extreme GMT56h
Essence ThirtyNine41h
Water Resistance
C63 Sealander Extreme GMT150m
Essence ThirtyNine100m
MSRP
C63 Sealander Extreme GMT$2,075
Essence ThirtyNine$2,390

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
40mm
39mm
Thickness
12.05mm
10mm
Lug-to-Lug
48mm
45mm
Lug Width
22mm
20mm
Water Resistance
150m
100m

Crystal & Dial

2 specs
Dial Color
Black
Space Ghost
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

4 specs
Caliber
SW330-2
Sellita SW200-1
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
41h
Complications
GMT
None

Pricing

1 specs
MSRP
$2,075
$2,390
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