Which is cheaper, the CWC RN Automatic Divers Watch Mk.2 with Date or the Longines ULTRA‑CHRON CARBON?

At MSRP the CWC RN Automatic Divers Watch Mk.2 with Date is the cheaper of the two at $1,249, against $5,550 for the Longines ULTRA‑CHRON CARBON — a $4,301 gap before any retailer discounting.

Which is bigger, the CWC RN Automatic Divers Watch Mk.2 with Date or the Longines ULTRA‑CHRON CARBON?

The Longines ULTRA‑CHRON CARBON wears larger at 43mm versus 41mm for the CWC RN Automatic Divers Watch Mk.2 with Date — a 2mm difference across the dial.

Which has a longer power reserve, the CWC RN Automatic Divers Watch Mk.2 with Date or the Longines ULTRA‑CHRON CARBON?

The Longines ULTRA‑CHRON CARBON carries a 52-hour power reserve against 40 hours on the CWC RN Automatic Divers Watch Mk.2 with Date.

What movement does the CWC RN Automatic Divers Watch Mk.2 with Date run compared to the Longines ULTRA‑CHRON CARBON?

Both watches run automatic movements — the CWC RN Automatic Divers Watch Mk.2 with Date uses the Sellita SW200-1 and the Longines ULTRA‑CHRON CARBON uses the L836.6.

Side by side

CWC RN Automatic Divers Watch Mk.2 with DatevsLongines ULTRA‑CHRON CARBON

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

CWC RN Automatic Divers Watch Mk.2 with Date

cwc-royal-navy-diver-automatic-mk2-with-date

MSRP $1,249

Longines ULTRA‑CHRON CARBON

L2.839.4.52.2

MSRP $5,550

At a glance

19 of 29 specs differ

Diameter

RN Automatic Divers Watch Mk.2 with Date41mm

ULTRA‑CHRON CARBON43mm

Power Reserve

RN Automatic Divers Watch Mk.2 with Date40h

ULTRA‑CHRON CARBON52h

Water Resistance

RN Automatic Divers Watch Mk.2 with Date300m

ULTRA‑CHRON CARBON300m

MSRP

RN Automatic Divers Watch Mk.2 with Date$1,249

ULTRA‑CHRON CARBON$5,550

Full specifications

Case

7 specs

Diameter

41mm

43mm

Thickness

12mm

14mm

Lug-to-Lug

47mm

48.9mm

Lug Width

20mm

22mm

Material

Stainless Steel

Titanium

Finish

Brushed and polished

—

Caseback

Solid

Screw-down case back

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

Both sides

Dial Color

CWC RN Automatic Divers Watch Mk.2 with Date, Stainless Steel (RN300-MT AS120-D)

Silver

Indices

Applied

Applied indexes

Movement

7 specs

Caliber

Sellita SW200-1

L836.6

Beat Rate

28,800 vph

36,000 vph

Power Reserve

40h

52h

Jewels

Hacking

Yes

Hand-winding

Yes

Complications

None

Hours, minutes, seconds

Pricing

1 specs

MSRP

$1,249

$5,550

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