Side by side

Sinn 900 DIAPALvsCWC Automatic Divers Watch Mk.2 Black

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

900 DIAPAL
Sinn900 DIAPAL
MSRP $5,000
Automatic Divers Watch Mk.2 Black
CWCAutomatic Divers Watch Mk.2 Black
MSRP $1,249

At a glance

17 of 29 specs differ
Diameter
900 DIAPAL44mm
Automatic Divers Watch Mk.2 Black41mm
Power Reserve
900 DIAPAL42h
Automatic Divers Watch Mk.2 Black40h
Water Resistance
900 DIAPAL200m
Automatic Divers Watch Mk.2 Black300m
MSRP
900 DIAPAL$5,000
Automatic Divers Watch Mk.2 Black$1,249

Full specifications

Case

8 specs
Category
Tool
Diver
Diameter
44mm
41mm
Thickness
15.5mm
12mm
Lug-to-Lug
47mm
Lug Width
22mm
20mm
Finish
satinized
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Anthracite
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Lume
Luminescent
Super-LumiNova

Movement

4 specs
Caliber
LJP L120
Sellita SW200-1
Power Reserve
42h
40h
Jewels
26
25
Complications
GMT, Date, Chronograph, Pilot's Bezel
None

Pricing

1 specs
MSRP
$5,000
$1,249

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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.

Sinn 900 DIAPAL

Owners praise the Sinn 900 DIAPAL for its 24-hour GMT hand and Sinn's proprietary technologies including the TEGIMENT case, AR dehumidification, and copper phosphate tablet. The internal rotating bezel is noted as very easy to turn but prone to being knocked out of position, making it unreliable for elapsed time. Some owners find the large dial contributes to an illusion of a bigger watch. On balance, owners value the Sinn 900 DIAPAL for its advanced proprietary technologies and GMT functionality.

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.

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