Which is cheaper, the Aigi Watches ARCTIC TIDE or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

At MSRP the Aigi Watches ARCTIC TIDE is the cheaper of the two at $875, against $1,350 for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition — a $475 gap before any retailer discounting.

Which is bigger, the Aigi Watches ARCTIC TIDE 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 40mm for the Aigi Watches ARCTIC TIDE — a 2.7mm difference across the dial.

Which has a longer power reserve, the Aigi Watches ARCTIC TIDE 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 Aigi Watches ARCTIC TIDE.

What movement does the Aigi Watches ARCTIC TIDE run compared to the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

Both watches run automatic movements — the Aigi Watches ARCTIC TIDE uses the Sellita SW200-1 and the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition uses the Seiko 6R35.

Side by side

Aigi Watches ARCTIC TIDEvsSeiko 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.

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Aigi Watches ARCTIC TIDE

arctic-tide

MSRP $875

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

spb301j1

MSRP $1,350

Buy from Aigi Watches ↗

Buy used on eBay ↗

Buy from Seiko ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

ARCTIC TIDE40mm

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

Power Reserve

ARCTIC TIDE40h

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

Water Resistance

ARCTIC TIDE200m

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

MSRP

ARCTIC TIDE$875

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

Full specifications

Case

4 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Inner

Anti-reflective coating on inner surface

Dial Color

—

Black

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Sellita SW200-1

Seiko 6R35

Power Reserve

40h

70h

Jewels

Pricing

1 specs

MSRP

$875

$1,350

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Aigi Watches ARCTIC TIDEvsSeiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

At a glance

Full specifications

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