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

At MSRP the CWC Quartz Divers Watch Mk.2 Polished Case is the cheaper of the two at $583, against $5,350 for the Tudor Black Bay 58 — a $4,768 gap before any retailer discounting.

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

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

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

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

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

The Tudor Black Bay 58 carries a 65-hour power reserve against 40 hours on the CWC Quartz Divers Watch Mk.2 Polished Case.

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

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

Side by side

CWC Quartz Divers Watch Mk.2 Polished CasevsTudor Black Bay 58

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

CWC Quartz Divers Watch Mk.2 Polished Case

cwc-royal-navy-divers-quartz-watch-mk-2

MSRP $583

Tudor Black Bay 58

m7939a1a0nu-0001

MSRP $5,350

At a glance

18 of 29 specs differ

Diameter

Quartz Divers Watch Mk.2 Polished Case41mm

Black Bay 5839mm

Power Reserve

Quartz Divers Watch Mk.2 Polished Case40h

Black Bay 5865h

Water Resistance

Quartz Divers Watch Mk.2 Polished Case300m

Black Bay 58200m

MSRP

Quartz Divers Watch Mk.2 Polished Case$583

Black Bay 58$5,350

Full specifications

Case

6 specs

Diameter

41mm

39mm

Thickness

12mm

11.7mm

Lug-to-Lug

47mm

46mm

Finish

Brushed and polished

Polished + Satin

Water Resistance

300m

200m

Caseback

Solid

Solid screw-down

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

CWC Quartz Divers Watch Mk.2 Polished Case (RN300-P QS120)

Black

Lume

Super-LumiNova

None

Movement

7 specs

Caliber

Ronda 517

MT5400-U

Type

Quartz

Automatic

Beat Rate

28,800 vph

0 vph

Power Reserve

40h

65h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$583

$5,350

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