Side by side

Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special EditionvsSpinnaker Tesei Titanium

Q: Which is cheaper, the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition or the Spinnaker Tesei Titanium?

At MSRP the Spinnaker Tesei Titanium is the cheaper of the two at $625, against $1,350 for the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition — a $725 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition or the Spinnaker Tesei Titanium?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition wears larger at 42.7mm versus 42mm for the Spinnaker Tesei Titanium — a 0.7mm difference across the dial.

Q: Which has a longer power reserve, the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition or the Spinnaker Tesei Titanium?

The Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition carries a 70-hour power reserve against 40 hours on the Spinnaker Tesei Titanium.

Q: What movement does the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition run compared to the Spinnaker Tesei Titanium?

Both watches run automatic movements — the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition uses the 6R35 and the Spinnaker Tesei Titanium uses the SII NH35A.

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

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

spb301j1

MSRP $1,350

Spinnaker Tesei Titanium

tesei-titanium-automatic-matte-black-sp-5084-11

MSRP $625

At a glance

12 of 29 specs differ

Diameter

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

Tesei Titanium42mm

Power Reserve

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

Tesei Titanium40h

Water Resistance

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

Tesei Titanium200m

MSRP

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

Tesei Titanium$625

Full specifications

Case

5 specs

Diameter

42.7mm

42mm

Thickness

13.2mm

14mm

Lug-to-Lug

46.4mm

50mm

Lug Width

20mm

22mm

Material

Stainless Steel

Titanium

Crystal & Dial

3 specs

Crystal Shape

Curved

Flat

AR Coating

Anti-reflective coating on inner surface

Inner

Lume

LumiBrite on hands, index(es) and bezel

None

Movement

3 specs

Caliber

6R35

SII NH35A

Power Reserve

70h

40h

Jewels

Pricing

1 specs

MSRP

$1,350

$625

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