Which is cheaper, the Breitling Avenger Automatic 42 Night Mission or the Seiko Prospex Sea?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $900, against $6,600 for the Breitling Avenger Automatic 42 Night Mission — a $5,700 gap before any retailer discounting.

Which is bigger, the Breitling Avenger Automatic 42 Night Mission or the Seiko Prospex Sea?

The Breitling Avenger Automatic 42 Night Mission wears larger at 42mm versus 41mm for the Seiko Prospex Sea — a 1mm difference across the dial.

Which has better water resistance, the Breitling Avenger Automatic 42 Night Mission or the Seiko Prospex Sea?

The Breitling Avenger Automatic 42 Night Mission is rated to 300m versus 200m for the Seiko Prospex Sea.

Which has a longer power reserve, the Breitling Avenger Automatic 42 Night Mission or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 38 hours on the Breitling Avenger Automatic 42 Night Mission.

What movement does the Breitling Avenger Automatic 42 Night Mission run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Breitling Avenger Automatic 42 Night Mission uses the Breitling 17 and the Seiko Prospex Sea uses the 6R35.

Side by side

Breitling Avenger Automatic 42 Night MissionvsSeiko Prospex Sea

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

Add a watch

Breitling Avenger Automatic 42 Night Mission

S17328101B1X1

MSRP $6,600

Seiko Prospex Sea

spb317j1

MSRP $900

At a glance

17 of 29 specs differ

Diameter

Avenger Automatic 42 Night Mission42mm

Prospex Sea41mm

Power Reserve

Avenger Automatic 42 Night Mission38h

Prospex Sea70h

Water Resistance

Avenger Automatic 42 Night Mission300m

Prospex Sea200m

MSRP

Avenger Automatic 42 Night Mission$6,600

Prospex Sea$900

Full specifications

Case

7 specs

Diameter

42mm

41mm

Thickness

12.25mm

12.3mm

Lug-to-Lug

—

46.9mm

Material

Ceramic

Stainless Steel

Finish

Ceramic

Brushed and polished

Water Resistance

300m

200m

Caseback

—

Solid

Crystal & Dial

5 specs

Crystal Shape

—

Curved

AR Coating

—

Anti-reflective coating on inner surface

Dial Color

—

Black

Indices

—

Applied

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

Breitling 17

6R35

Beat Rate

0 vph

28,800 vph

Power Reserve

38h

70h

Jewels

Pricing

1 specs

MSRP

$6,600

$900

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Breitling Avenger Automatic 42 Night MissionvsSeiko Prospex Sea

At a glance

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