Which is cheaper, the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top or the Seiko Astron GPS Solar 2026 Limited Edition?

At MSRP the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top is the cheaper of the two at $624, against $2,400 for the Seiko Astron GPS Solar 2026 Limited Edition — a $1,776 gap before any retailer discounting.

Which is bigger, the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top or the Seiko Astron GPS Solar 2026 Limited Edition?

The Seiko Astron GPS Solar 2026 Limited Edition wears larger at 41.2mm versus 41mm for the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top — a 0.2mm difference across the dial.

Which has better water resistance, the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top or the Seiko Astron GPS Solar 2026 Limited Edition?

The CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top is rated to 300m versus 10m for the Seiko Astron GPS Solar 2026 Limited Edition.

What movement does the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top run compared to the Seiko Astron GPS Solar 2026 Limited Edition?

Both watches run quartz movements — the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top uses the Ronda 517 and the Seiko Astron GPS Solar 2026 Limited Edition uses the 3X62.

Side by side

CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte TopvsSeiko Astron GPS Solar 2026 Limited Edition

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

CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top

cwc-rn-quartz-matte-top-day-date-rn300-mt-qs120-dd

MSRP $624

Seiko Astron GPS Solar 2026 Limited Edition

ssj039j1

MSRP $2,400

At a glance

12 of 29 specs differ

Diameter

RN Quartz Divers Watch Mk.2 Day/Date, Matte Top41mm

Astron GPS Solar 2026 Limited Edition41.2mm

Power Reserve

RN Quartz Divers Watch Mk.2 Day/Date, Matte Top40h

Astron GPS Solar 2026 Limited Edition40h

Water Resistance

RN Quartz Divers Watch Mk.2 Day/Date, Matte Top300m

Astron GPS Solar 2026 Limited Edition100m

MSRP

RN Quartz Divers Watch Mk.2 Day/Date, Matte Top$624

Astron GPS Solar 2026 Limited Edition$2,400

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Super-clear coating

Dial Color

CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top (RN300-MT QS120-DD)

Black

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Ronda 517

3X62

Jewels

Pricing

1 specs

MSRP

$624

$2,400

Follow this matchup

Get a note when CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top vs Seiko Astron GPS Solar 2026 Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring