Side by side

Christopher Ward C63 Sealander Extreme GMTvsGrand Seiko SBGJ237

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
SBGJ237
Grand SeikoSBGJ237
MSRP $7,600

At a glance

13 of 29 specs differ
Diameter
C63 Sealander Extreme GMT48mm
SBGJ23744.2mm
Power Reserve
C63 Sealander Extreme GMT56h
SBGJ23755h
Water Resistance
C63 Sealander Extreme GMT150m
SBGJ237200m
MSRP
C63 Sealander Extreme GMT$1,850
SBGJ237$7,600

Full specifications

Case

6 specs
Diameter
48mm
44.2mm
Thickness
12.05mm
14.4mm
Lug-to-Lug
48mm
50.6mm
Lug Width
22mm
21mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
200m

Crystal & Dial

2 specs
AR Coating
Underside
Yes
Lume
SLN X1 BL / GL
None

Movement

4 specs
Caliber
SW330
9S86
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
55h
Complications
GMT, Moonphase, Day-date
None

Pricing

1 specs
MSRP
$1,850
$7,600

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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.

Grand Seiko SBGJ237

Grand Seiko SBGJ237 owners and reviewers praise its impeccable finishing, Hi-Beat 36,000vph movement, and functional GMT complication. The watch is noted for its good value at €7,000, featuring a stainless steel bracelet with alternating brushed and polished surfaces, and a sapphire bezel with a day/night indicator. Reviewers highlight the lovely lume and the bezel's vintage-inspired, asymmetric color split, which uses LumiBrite for low-light legibility. The 9S86 Hi-Beat movement offers impressive accuracy of -5 to +3 seconds per day and a 55-hour power reserve. The SBGJ237 boasts 200-meter water resistance. However, the 44.2mm case size, measuring 14.4mm thick, may require slightly larger wrists, and its elevated crystal and less prominent bezel contribute to a thickness that might feel less substantial in person. Overall, owners and reviewers highly regard the Grand Seiko SBGJ237 for its combination of finishing, movement technology, and GMT functionality at its price point.

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