Side by side

CWC Automatic Divers Watch Mk.2 BlackvsSugess Seestern S456 GMT

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

Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249
Seestern S456 GMT
SugessSeestern S456 GMT
MSRP $299

At a glance

10 of 29 specs differ
Diameter
Automatic Divers Watch Mk.2 Black41mm
Seestern S456 GMT40mm
Power Reserve
Automatic Divers Watch Mk.2 Black40h
Seestern S456 GMT40h
Water Resistance
Automatic Divers Watch Mk.2 Black300m
Seestern S456 GMT200m
MSRP
Automatic Divers Watch Mk.2 Black$1,249
Seestern S456 GMT$299

Full specifications

Case

5 specs
Category
Diver
GMT
Diameter
41mm
40mm
Thickness
12mm
13mm
Lug-to-Lug
47mm
48.8mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Blue
Lume
Super-LumiNova
Tritium

Movement

2 specs
Caliber
Sellita SW200-1
NH34
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,249
$299

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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.

CWC Automatic Divers Watch Mk.2 Black

Owners widely praise the CWC Automatic Divers Watch Mk.2 Black for its brushed chapter ring, precise 120-click bezel, clear sapphire crystal, excellent case finishing, and significantly improved lume. The watch is considered a terrific value with solid construction. Some owners express a preference for a matte finish for a more tool-like appearance, though polished versions offer a dressier look and easier scratch removal. On balance, owners rate the CWC Automatic Divers Watch Mk.2 Black highly for its tool-like features and excellent value.

From video reviewers

The bezel action is smooth. The price has increased due to popularity.

Sugess Seestern S456 GMT

Owners widely praise the Sugess Seestern S456 GMT for its excellent case finishing, deep blue sunburst dial, and crisp indices, with one owner rating the overall fit and finish 9.5 out of 10. The watch is noted for its legibility, strong lume that lasts about 4 hours, and accurate timekeeping around -4 seconds per day, with easy GMT hand adjustment. Some owners report issues with a loose or friction-based unidirectional bezel, while others find theirs tight and prefer a bidirectional GMT bezel. The sapphire crystal is described as clear and flat by some, but others find it very reflective with AR coating that could be improved. Sizing is generally considered good at 39mm with a 46mm lug-to-lug and 12mm thickness, though one owner expresses concern about its 49mm lug-to-lug and 41mm bezel diameter. Overall, owners rate the Sugess Seestern S456 GMT highly for its impressive finishing and dial at its price point.

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