Which is cheaper, the Smith & Bradley Atlantis Blackfish Quartz or the Spinnaker Dumas Automatic?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $349 for the Smith & Bradley Atlantis Blackfish Quartz — a $110 gap before any retailer discounting.

What movement does the Smith & Bradley Atlantis Blackfish Quartz run compared to the Spinnaker Dumas Automatic?

The Smith & Bradley Atlantis Blackfish Quartz runs a quartz caliber (Ronda), while the Spinnaker Dumas Automatic runs a automatic (SII NH35A).

Side by side

Smith & Bradley Atlantis Blackfish QuartzvsSpinnaker Dumas Automatic

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

Smith & Bradley Atlantis Blackfish Quartz

atlantis-blackfish-quartz-dive-watch

MSRP $349

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

9 of 29 specs differ

Diameter

Atlantis Blackfish Quartz44mm

Dumas Automatic44mm

Power Reserve

Atlantis Blackfish Quartz40h

Dumas Automatic40h

Water Resistance

Atlantis Blackfish Quartz300m

Dumas Automatic300m

MSRP

Atlantis Blackfish Quartz$349

Dumas Automatic$239

Full specifications

Case

3 specs

Thickness

12mm

15mm

Lug-to-Lug

46mm

48mm

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Blue

Lume

Superluminova

None

Movement

2 specs

Caliber

Ronda

SII NH35A

Type

Quartz

Automatic

Pricing

1 specs

MSRP

$349

$239

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