CWC RN Quartz Divers Watch Mk.2, Matte TopvsKnot Watches SAC-40SSV

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

CWC RN Quartz Divers Watch Mk.2, Matte Top at true scale

RN Quartz Divers Watch Mk.2, Matte Top

Knot Watches SAC-40SSV at true scale

SAC-40SSV

Diameter

41mm

40mm

Lug-to-Lug

47mm

n/a

Thickness

n/a

11.5mm

Water Resistance

300m

highest

200m

MSRP

$604

$296

lowest

Movement

Ronda 517

Seiko Epson PX82

Case

6 specs
Diameter
41mm
40mm
Thickness
n/a
11.5mm
Lug-to-Lug
47mm
n/a
Lug Width
20mm
n/a
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Yes
n/a
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Blue
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Ronda 517
Seiko Epson PX82

Pricing

1 specs
MSRP
$604
$296
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its matte finish, precise seconds hand alignment, and old-school dial and hands reminiscent of vintage Omega. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as "perfection," are consistently highlighted. Some owners consider its toolish design and comfortable 11mm thickness a significant draw. However, a few find the £700-£900 price point high for a quartz watch, and one owner reported chipping on the PVD finish after a few months. One owner also noted the Ronda 517 quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its robust, military-inspired design and significant Mk.2 upgrades at the price.

Knot Watches SAC-40SSV

Owners widely praise the Knot Watches SAC-40SSV for its Seiko-like finishing and attractive price point, with many appreciating its light feel and the quality of the strap and deployment buckle, though some find it initially stiff. The 40mm size is a point of contention, with some finding it comfortable and a favorite, while others consider it too large and prefer the 38mm variant. A recurring criticism is the small, awkwardly placed crown, which makes winding difficult. One owner also noted poor engraving and considered the watch to be primarily a fashion piece. Overall, owners rate the Knot Watches SAC-40SSV positively for its finishing and value, despite some reservations about the crown design and sizing.

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