Which is cheaper, the Airain Watches Sous-Marine or the Seiko Prospex Land Mechanical?

At MSRP the Seiko Prospex Land Mechanical is the cheaper of the two at $995, against $2,050 for the Airain Watches Sous-Marine — a $1,055 gap before any retailer discounting.

Which is bigger, the Airain Watches Sous-Marine or the Seiko Prospex Land Mechanical?

The Seiko Prospex Land Mechanical wears larger at 39.5mm versus 37.5mm for the Airain Watches Sous-Marine — a 2mm difference across the dial.

Which has better water resistance, the Airain Watches Sous-Marine or the Seiko Prospex Land Mechanical?

The Airain Watches Sous-Marine is rated to 200m versus 20m for the Seiko Prospex Land Mechanical.

Which has a longer power reserve, the Airain Watches Sous-Marine or the Seiko Prospex Land Mechanical?

The Seiko Prospex Land Mechanical carries a 72-hour power reserve against 68 hours on the Airain Watches Sous-Marine.

What movement does the Airain Watches Sous-Marine run compared to the Seiko Prospex Land Mechanical?

Both watches run automatic movements — the Airain Watches Sous-Marine uses the La Joux-Perret G100 and the Seiko Prospex Land Mechanical uses the 6R55.

Side by side

Airain Watches Sous-MarinevsSeiko Prospex Land Mechanical

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

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Airain Watches Sous-Marine

MSRP $2,050

Seiko Prospex Land Mechanical

spb503j1

MSRP $995

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At a glance

10 of 29 specs differ

Diameter

Sous-Marine37.5mm

Prospex Land Mechanical39.5mm

Power Reserve

Sous-Marine68h

Prospex Land Mechanical72h

Water Resistance

Sous-Marine200m

Prospex Land Mechanical200m

MSRP

Sous-Marine$2,050

Prospex Land Mechanical$995

Full specifications

Case

4 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Super-LumiNova C3

LumiBrite on hands and index(es)

Movement

3 specs

Caliber

La Joux-Perret G100

6R55

Power Reserve

68h

72h

Jewels

Pricing

1 specs

MSRP

$2,050

$995

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Airain Watches Sous-MarinevsSeiko Prospex Land Mechanical

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