Which is cheaper, the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top or the Seiko Astron GPS Solar 2025 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 $2,600 for the Seiko Astron GPS Solar 2025 Limited Edition — a $1,976 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 2025 Limited Edition?

The Seiko Astron GPS Solar 2025 Limited Edition wears larger at 42mm versus 41mm for the CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte Top — a 1mm 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 2025 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 2025 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 2025 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 2025 Limited Edition uses the 3X62.

Side by side

CWC RN Quartz Divers Watch Mk.2 Day/Date, Matte TopvsSeiko Astron GPS Solar 2025 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 2025 Limited Edition

ssj029j1

MSRP $2,600

At a glance

12 of 29 specs differ

Diameter

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

Astron GPS Solar 2025 Limited Edition42mm

Power Reserve

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

Astron GPS Solar 2025 Limited Edition40h

Water Resistance

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

Astron GPS Solar 2025 Limited Edition100m

MSRP

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

Astron GPS Solar 2025 Limited Edition$2,600

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

$2,600

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