Side by side

Christopher Ward C63 Sealander Extreme GMTvsLongines LONGINES SPIRIT ZULU TIME

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
LONGINES SPIRIT ZULU TIME
LonginesLONGINES SPIRIT ZULU TIME
MSRP $5,200

At a glance

14 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
LONGINES SPIRIT ZULU TIME39mm
Power Reserve
C63 Sealander Extreme GMT56h
LONGINES SPIRIT ZULU TIME40h
Water Resistance
C63 Sealander Extreme GMT150m
LONGINES SPIRIT ZULU TIME100m
MSRP
C63 Sealander Extreme GMT$1,850
LONGINES SPIRIT ZULU TIME$5,200

Full specifications

Case

6 specs
Diameter
48mm
39mm
Thickness
12.05mm
13.5mm
Lug-to-Lug
48mm
46.8mm
Lug Width
22mm
21mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
100m

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Black
Anthracite
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
L844.4
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$5,200

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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 SPIRIT ZULU TIME

Owners widely praise the Longines Spirit Zulu Time for its superb finishing, smooth crown action, and mesmerizing ceramic bezel, with many noting its premium pilot/sporty design and unique dial details. The movement is consistently lauded for its extreme accuracy, running at 0 to +1 second per day, and the watch is considered to offer remarkable value that punches above its price point. However, the bracelet is criticized by multiple sources for its push-pin adjustment and limited micro-adjustment holes, and the 42mm case size with a 49.3mm lug-to-lug is noted as potentially large for smaller wrists, though some users express a preference for the 39mm size. One owner reported their movement failed within the first year and found setting the date a "nightmare," while another owner notes minor criticisms like the date window being slightly off-center. On balance, owners and reviewers rate the Longines Spirit Zulu Time highly for its impressive finishing and accuracy at its price point.

From video reviewers

The 39mm case size is a significant strength, addressing previous concerns about thickness. The value proposition within the GMT market is also a shared positive point. No consensus on weaknesses was reached.

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