Side by side

Christopher Ward C63 Sealander Extreme GMTvsLongines MASTER COLLECTION

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
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,000

At a glance

21 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
MASTER COLLECTION42mm
Power Reserve
C63 Sealander Extreme GMT56h
MASTER COLLECTION72h
Water Resistance
C63 Sealander Extreme GMT150m
MASTER COLLECTION30m
MSRP
C63 Sealander Extreme GMT$1,850
MASTER COLLECTION$3,000

Full specifications

Case

8 specs
Category
GMT
Diameter
48mm
42mm
Thickness
12.05mm
10.8mm
Lug-to-Lug
48mm
49.7mm
Lug Width
22mm
21mm
Finish
Brushed + Bead-blasted + Sandblasted
Water Resistance
150m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Dial Color
Black
Silver
Indices
Applied
Painted Arabic numerals
Lume
SLN X1 BL / GL
Super-LumiNova

Movement

7 specs
Caliber
SW330
L897.2
Beat Rate
4 vph
25,200 vph
Power Reserve
56h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Moonphase, Day-date
Hours, minutes, seconds, month and date by annual calendar

Pricing

1 specs
MSRP
$1,850
$3,000

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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.

Longines MASTER COLLECTION

The Longines Master Collection is widely praised for its excellent value, beautiful dial execution featuring engraved Breguet numerals and snailed subdials, and classic, vintage styling. Owners and reviewers highlight its dressy and thin profile, with one owner noting its versatility as a daily wear. The Master Collection offers complications like chronographs and moon phases at competitive price points, with some finding the case finishing homogenous and the pushers to feel cheap. Accuracy figures are not consistently reported across sources, but one owner notes a broken moon phase setting mechanism requiring professional service. Water resistance is considered light at 30m, and the bracelet lacks micro-adjustments. Overall, owners and reviewers rate the Longines Master Collection highly for its dial execution and value, particularly when purchased below retail.

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