Which is cheaper, the CWC Quartz Divers Watch Mk.2 Polished Case or the Grand Seiko SLGA015?

At MSRP the CWC Quartz Divers Watch Mk.2 Polished Case is the cheaper of the two at $583, against $12,600 for the Grand Seiko SLGA015 — a $12,018 gap before any retailer discounting.

Which is bigger, the CWC Quartz Divers Watch Mk.2 Polished Case or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 wears larger at 43.8mm versus 41mm for the CWC Quartz Divers Watch Mk.2 Polished Case — a 2.8mm difference across the dial.

Which has better water resistance, the CWC Quartz Divers Watch Mk.2 Polished Case or the Grand Seiko SLGA015?

The CWC Quartz Divers Watch Mk.2 Polished Case is rated to 300m versus 200m for the Grand Seiko SLGA015.

Which has a longer power reserve, the CWC Quartz Divers Watch Mk.2 Polished Case or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 carries a 120-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 Grand Seiko SLGA015?

The CWC Quartz Divers Watch Mk.2 Polished Case runs a quartz caliber (Ronda 517), while the Grand Seiko SLGA015 runs a spring drive (9RA5).

Side by side

CWC Quartz Divers Watch Mk.2 Polished CasevsGrand Seiko SLGA015

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

Grand Seiko SLGA015

slga015g

MSRP $12,600

At a glance

13 of 29 specs differ

Diameter

Quartz Divers Watch Mk.2 Polished Case41mm

SLGA01543.8mm

Power Reserve

Quartz Divers Watch Mk.2 Polished Case40h

SLGA015120h

Water Resistance

Quartz Divers Watch Mk.2 Polished Case300m

SLGA015200m

MSRP

Quartz Divers Watch Mk.2 Polished Case$583

SLGA015$12,600

Full specifications

Case

6 specs

Diameter

41mm

43.8mm

Thickness

12mm

13.8mm

Lug-to-Lug

47mm

51.5mm

Lug Width

20mm

23mm

Material

Stainless Steel

Titanium

Water Resistance

300m

200m

Crystal & Dial

3 specs

AR Coating

Inner

Yes

Dial Color

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

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

Ronda 517

9RA5

Type

Quartz

Spring Drive

Power Reserve

40h

120h

Pricing

1 specs

MSRP

$583

$12,600

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