Which is cheaper, the Smith & Bradley Atlantis Blackfish Auto or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

At MSRP the Smith & Bradley Atlantis Blackfish Auto is the cheaper of the two at $889, against $3,250 for the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic — a $2,361 gap before any retailer discounting.

Which is bigger, the Smith & Bradley Atlantis Blackfish Auto or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

The Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic wears larger at 46mm versus 44mm for the Smith & Bradley Atlantis Blackfish Auto — a 2mm difference across the dial.

Which has a longer power reserve, the Smith & Bradley Atlantis Blackfish Auto or the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

The Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic carries a 40-hour power reserve against 38 hours on the Smith & Bradley Atlantis Blackfish Auto.

What movement does the Smith & Bradley Atlantis Blackfish Auto run compared to the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic?

Both watches run automatic movements — the Smith & Bradley Atlantis Blackfish Auto uses the Sellita SW200 and the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic uses the Sellita SW220-1.

Side by side

Smith & Bradley Atlantis Blackfish AutovsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Smith & Bradley Atlantis Blackfish Auto

atlantis-blackfish-automatic-dive-watch

MSRP $889

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

46mm-anthracite-large-divers-automatic-jdd

MSRP $3,250

At a glance

10 of 29 specs differ

Diameter

Atlantis Blackfish Auto44mm

JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm

Power Reserve

Atlantis Blackfish Auto38h

JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h

Water Resistance

Atlantis Blackfish Auto300m

JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m

MSRP

Atlantis Blackfish Auto$889

JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

4 specs

Diameter

44mm

46mm

Thickness

12mm

18mm

Lug-to-Lug

46mm

55mm

Material

Stainless Steel

316L Stainless Steel (Anthracite IP)

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Black

Anthracite

Lume

Superluminova

None

Movement

2 specs

Caliber

Sellita SW200

Sellita SW220-1

Power Reserve

38h

40h

Pricing

1 specs

MSRP

$889

$3,250

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