Side by side

Christopher Ward C63 Sealander AutomaticvsLongines ULTRA-CHRON CLASSIC

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

C63 Sealander Automatic
Christopher WardC63 Sealander Automatic
MSRP $1,430
ULTRA-CHRON CLASSIC
LonginesULTRA-CHRON CLASSIC
MSRP $3,900

At a glance

21 of 29 specs differ
Diameter
C63 Sealander Automatic36mm
ULTRA-CHRON CLASSIC37mm
Power Reserve
C63 Sealander Automatic65h
ULTRA-CHRON CLASSIC52h
Water Resistance
C63 Sealander Automatic150m
ULTRA-CHRON CLASSIC50m
MSRP
C63 Sealander Automatic$1,430
ULTRA-CHRON CLASSIC$3,900

Full specifications

Case

8 specs
Category
Sport
Diameter
36mm
37mm
Thickness
10.6mm
10.95mm
Lug-to-Lug
42mm
44.6mm
Lug Width
20mm
19mm
Finish
Brushed and polished
Water Resistance
150m
50m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Blue
Silver
Indices
Applied
Applied indexes
Lume
SLN X1 BL C1
Super-LumiNova

Movement

7 specs
Caliber
SW 200-2
L836.6
Beat Rate
4 vph
36,000 vph
Power Reserve
65h
52h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Day-date, Date
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$1,430
$3,900

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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 Automatic

Owners widely praise the Christopher Ward C63 Sealander Automatic for its excellent finishing, on-the-fly micro-adjust bracelet, and GADA versatility, with some calling it their best offering and a bargain. However, the lume is consistently criticized as weak, particularly for its price point. Some owners find the dial's multiple color pops distracting, and one notes the brand's poor aftermarket value retention. On balance, owners rate the Christopher Ward C63 Sealander Automatic highly for its build quality and versatility at the price.

Longines ULTRA-CHRON CLASSIC

The Longines ULTRA-CHRON CLASSIC is widely praised for its faithful retro design, high-beat 5Hz movement offering greater precision and a smooth seconds hand, and its value proposition as a new 5Hz watch. Reviewers highlight the L836.6 caliber's TimeLab "ultra chronometer" certification for superior accuracy and shock recovery, and owners find the bracelet very comfortable with easy micro-adjust. Some owners note the design appears dated, and one reviewer points out the dial lacks luminescence and water resistance is only 50m. Owners are split on sizing, with some finding the 40mm case wears larger than expected and recommending the 37mm version. Overall, owners and reviewers rate the Longines ULTRA-CHRON CLASSIC highly for its blend of vintage aesthetics, modern high-beat movement performance, and comfortable wearability.

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