Which is cheaper, the CWC Tamar Quartz Divers Watch or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

At MSRP the CWC Tamar Quartz Divers Watch is the cheaper of the two at $749, against $1,350 for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition — a $601 gap before any retailer discounting.

Which is bigger, the CWC Tamar Quartz Divers Watch or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition wears larger at 42.7mm versus 41mm for the CWC Tamar Quartz Divers Watch — a 1.7mm difference across the dial.

Which has better water resistance, the CWC Tamar Quartz Divers Watch or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The CWC Tamar Quartz Divers Watch is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition.

Which has a longer power reserve, the CWC Tamar Quartz Divers Watch or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition carries a 70-hour power reserve against 40 hours on the CWC Tamar Quartz Divers Watch.

What movement does the CWC Tamar Quartz Divers Watch run compared to the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The CWC Tamar Quartz Divers Watch runs a quartz caliber (Ronda 517), while the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition runs a automatic (6R35).

Side by side

CWC Tamar Quartz Divers WatchvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

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

CWC Tamar Quartz Divers Watch

cwc-tamar-sbs-divers-watch

MSRP $749

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

spb301j1

MSRP $1,350

At a glance

13 of 29 specs differ

Diameter

Tamar Quartz Divers Watch41mm

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition42.7mm

Power Reserve

Tamar Quartz Divers Watch40h

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition70h

Water Resistance

Tamar Quartz Divers Watch300m

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition200m

MSRP

Tamar Quartz Divers Watch$749

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition$1,350

Full specifications

Case

4 specs

Diameter

41mm

42.7mm

Thickness

12mm

13.2mm

Lug-to-Lug

47mm

46.4mm

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

CWC Tamar Quartz Divers Watch

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Ronda 517

6R35

Type

Quartz

Automatic

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$749

$1,350

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