Which is cheaper, the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case or the Tudor Black Bay 58 925?

At MSRP the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case is the cheaper of the two at $608, against $5,600 for the Tudor Black Bay 58 925 — a $4,993 gap before any retailer discounting.

Which is bigger, the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case or the Tudor Black Bay 58 925?

The CWC Quartz Divers Watch Mk.2 Day/Date Polished Case wears larger at 41mm versus 39mm for the Tudor Black Bay 58 925 — a 2mm difference across the dial.

Which has better water resistance, the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case or the Tudor Black Bay 58 925?

The CWC Quartz Divers Watch Mk.2 Day/Date Polished Case is rated to 300m versus 200m for the Tudor Black Bay 58 925.

Which has a longer power reserve, the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case or the Tudor Black Bay 58 925?

The Tudor Black Bay 58 925 carries a 70-hour power reserve against 40 hours on the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case.

What movement does the CWC Quartz Divers Watch Mk.2 Day/Date Polished Case run compared to the Tudor Black Bay 58 925?

The CWC Quartz Divers Watch Mk.2 Day/Date Polished Case runs a quartz caliber (Ronda 517), while the Tudor Black Bay 58 925 runs a automatic (MT5400).

Side by side

CWC Quartz Divers Watch Mk.2 Day/Date Polished CasevsTudor Black Bay 58 925

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

CWC Quartz Divers Watch Mk.2 Day/Date Polished Case

cwc-quartz-divers-watch-rn300-p-qs120-dd

MSRP $608

Tudor Black Bay 58 925

m79010sg-0001

MSRP $5,600

At a glance

19 of 29 specs differ

Diameter

Quartz Divers Watch Mk.2 Day/Date Polished Case41mm

Black Bay 58 92539mm

Power Reserve

Quartz Divers Watch Mk.2 Day/Date Polished Case40h

Black Bay 58 92570h

Water Resistance

Quartz Divers Watch Mk.2 Day/Date Polished Case300m

Black Bay 58 925200m

MSRP

Quartz Divers Watch Mk.2 Day/Date Polished Case$608

Black Bay 58 925$5,600

Full specifications

Case

6 specs

Diameter

41mm

39mm

Thickness

12mm

12.7mm

Lug-to-Lug

47mm

46mm

Finish

Brushed and polished

Satin

Water Resistance

300m

200m

Caseback

Solid

Solid screw-down

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

CWC Quartz Divers Watch Mk.2 Day/Date Polished Case (RN300-P QS120-DD)

Taupe

Indices

Applied

—

Lume

Super-LumiNova

None

Movement

7 specs

Caliber

Ronda 517

MT5400

Type

Quartz

Automatic

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

70h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$608

$5,600

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