Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsSpinnaker Tesei Titanium

Q: Which is cheaper, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Spinnaker Tesei Titanium?

At MSRP the Spinnaker Tesei Titanium is the cheaper of the two at $625, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $2,675 gap before any retailer discounting.

Q: Which is bigger, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Spinnaker Tesei Titanium?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 42mm for the Spinnaker Tesei Titanium — a 2mm difference across the dial.

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

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition carries a 50-hour power reserve against 40 hours on the Spinnaker Tesei Titanium.

Q: What movement does the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition run compared to the Spinnaker Tesei Titanium?

Both watches run automatic movements — the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition uses the 8L35 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 Black Series Limited Edition

sla061j1

MSRP $3,300

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 Black Series Limited Edition44mm

Tesei Titanium42mm

Power Reserve

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Tesei Titanium40h

Water Resistance

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

Tesei Titanium200m

MSRP

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Tesei Titanium$625

Full specifications

Case

5 specs

Diameter

44mm

42mm

Thickness

13mm

14mm

Lug-to-Lug

49.3mm

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

8L35

SII NH35A

Power Reserve

50h

40h

Jewels

Pricing

1 specs

MSRP

$3,300

$625

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