Which is cheaper, the Boldr Odyssey 40mm or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

At MSRP the Boldr Odyssey 40mm is the cheaper of the two at $799, against $1,350 for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition — a $551 gap before any retailer discounting.

Which is bigger, the Boldr Odyssey 40mm 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 Boldr Odyssey 40mm — a 2.7mm difference across the dial.

Which has better water resistance, the Boldr Odyssey 40mm or the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

The Boldr Odyssey 40mm is rated to 300m versus 200m for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition.

Which has a longer power reserve, the Boldr Odyssey 40mm 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 42 hours on the Boldr Odyssey 40mm.

What movement does the Boldr Odyssey 40mm run compared to the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition?

Both watches run automatic movements — the Boldr Odyssey 40mm uses the Miyota and the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition uses the 6R35.

Side by side

Boldr Odyssey 40mmvsSeiko 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.

Boldr Odyssey 40mm

odyssey-aurora

MSRP $799

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

spb301j1

MSRP $1,350

At a glance

13 of 29 specs differ

Diameter

Odyssey 40mm40mm

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

Power Reserve

Odyssey 40mm42h

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

Water Resistance

Odyssey 40mm300m

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

MSRP

Odyssey 40mm$799

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

Full specifications

Case

5 specs

Diameter

40mm

42.7mm

Thickness

12.5mm

13.2mm

Lug-to-Lug

48mm

46.4mm

Material

Titanium

Stainless Steel

Water Resistance

300m

200m

Crystal & Dial

4 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Aurora

Black

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota

6R35

Power Reserve

42h

70h

Jewels

Pricing

1 specs

MSRP

$799

$1,350

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