Side by side

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited EditionvsYema Radiance

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

At MSRP the Yema Radiance is the cheaper of the two at $279, against $3,300 for the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition — a $3,021 gap before any retailer discounting.

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

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition wears larger at 44mm versus 30mm for the Yema Radiance — a 14mm difference across the dial.

Q: Which has better water resistance, the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition or the Yema Radiance?

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition is rated to 200m versus 30m for the Yema Radiance.

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

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

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

The Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition runs a automatic caliber (8L35), while the Yema Radiance runs a quartz.

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

Yema Radiance

yema-radiance-ymhf1586-am

MSRP $279

At a glance

15 of 29 specs differ

Diameter

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm

Radiance30mm

Power Reserve

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h

Radiance40h

Water Resistance

Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m

Radiance30m

MSRP

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

Radiance$279

Full specifications

Case

7 specs

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

4 specs

Caliber

8L35

—

Type

Automatic

Quartz

Power Reserve

50h

40h

Jewels

Pricing

1 specs

MSRP

$3,300

$279

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