Which is cheaper, the Meia Lua Deepmoon or the Seiko Prospex Sea The Black Series?

At MSRP the Meia Lua Deepmoon is the cheaper of the two at $428, against $765 for the Seiko Prospex Sea The Black Series — a $337 gap before any retailer discounting.

Which is bigger, the Meia Lua Deepmoon or the Seiko Prospex Sea The Black Series?

The Seiko Prospex Sea The Black Series wears larger at 45mm versus 42mm for the Meia Lua Deepmoon — a 3mm difference across the dial.

Which has better water resistance, the Meia Lua Deepmoon or the Seiko Prospex Sea The Black Series?

The Seiko Prospex Sea The Black Series is rated to 200m versus 100m for the Meia Lua Deepmoon.

What movement does the Meia Lua Deepmoon run compared to the Seiko Prospex Sea The Black Series?

Both watches run automatic movements — the Meia Lua Deepmoon uses the Miyota and the Seiko Prospex Sea The Black Series uses the 4R36.

Side by side

Meia Lua DeepmoonvsSeiko Prospex Sea The Black Series

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

Add a watch

Meia Lua Deepmoon

deepmoon-black-leather

MSRP $428

Seiko Prospex Sea The Black Series

srpk43

MSRP $765

At a glance

11 of 29 specs differ

Diameter

Deepmoon42mm

Prospex Sea The Black Series45mm

Power Reserve

Deepmoon—

Prospex Sea The Black Series41h

Water Resistance

Deepmoon100m

Prospex Sea The Black Series200m

MSRP

Deepmoon$428

Prospex Sea The Black Series$765

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

Swiss Superluminova

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

Miyota

4R36

Power Reserve

—

41h

Jewels

Pricing

1 specs

MSRP

—

$765

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Meia Luamicro

Follow this matchup

Get a note when Meia Lua Deepmoon vs Seiko Prospex Sea The Black Series gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Meia Lua Boreal MoonrisevsSeiko Prospex Sea The Black Series Meia Lua Moonmetal DustvsSeiko Prospex Sea The Black Series Meia Lua Moonlight MarsvsSeiko Prospex Sea The Black Series AV86 1971 AutomaticvsSeiko Prospex Sea The Black Series Meia Lua DeepmoonvsSpinnaker Wreck Automatic Marathon OSAR-D (Original SAR with Date) Automatic 46mmvsMeia Lua Deepmoon

Edit this comparison Add another watch Explore more 41–46mm watches

Meia Lua DeepmoonvsSeiko Prospex Sea The Black Series

At a glance

Full specifications

More watches worth a look

Boreal Moonrise

Wreck Automatic

Moonmetal Dust

OSAR-D (Original SAR with Date) Automatic 46mm

Odyssey Regatta

1971 Automatic

Dumas Automatic

Spectra Pro

Follow this matchup

People also compared