Side by side

Christopher Ward C63 Sealander Extreme GMTvsHELM Khuraburi Titanium

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 $1,850
Khuraburi Titanium
HELMKhuraburi Titanium
MSRP $375

At a glance

16 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
Khuraburi Titanium42mm
Power Reserve
C63 Sealander Extreme GMT56h
Khuraburi Titanium40h
Water Resistance
C63 Sealander Extreme GMT150m
Khuraburi Titanium300m
MSRP
C63 Sealander Extreme GMT$1,850
Khuraburi Titanium$375

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
48mm
42mm
Thickness
12.05mm
16mm
Lug-to-Lug
48mm
49mm
Material
Stainless Steel
Titanium
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
300m

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
AR Coating
Underside
Yes
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

5 specs
Caliber
SW330
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Jewels
25
24
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$375

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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

Owners and reviewers widely praise the Christopher Ward C63 Sealander Extreme GMT for its excellent value, tactical and travel-ready design, and impressive lume, with the black dial being a collective favorite. Its 41mm brushed steel case is noted for comfort and wearability, complemented by a well-proportioned design and excellent legibility. The watch features a Sellita SW330-2 movement with a 56-hour power reserve and 150m water resistance, including a shock-absorbing mount. Some find its refinement slightly less than pricier alternatives, and its GMT movement is considered less practical than a flyer GMT. On balance, the Christopher Ward C63 Sealander Extreme GMT is highly regarded by owners and reviewers for its compelling blend of features, rugged design, and exceptional value.

HELM Khuraburi Titanium

Owners widely praise the HELM Khuraburi Titanium for its exceptional lume, robust build, and great value, with many noting its lightweight titanium construction and comfortable wearability. The 4 o'clock crown and superb crown action are frequently highlighted as positive attributes. Some owners find the watch's thickness, around 16mm, to be substantial, and one reported the Seiko NH38 movement ran over 40 seconds fast per day, while another criticized the NH35 movement's 40-hour power reserve. On balance, owners rate the HELM Khuraburi Titanium highly for its outstanding lume and impressive build quality at its price point.

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