Which is cheaper, the Omnis ERA or the Seestern MoonPhase Master Automatic S401?

At MSRP the Seestern MoonPhase Master Automatic S401 is the cheaper of the two at $200, against $583 for the Omnis ERA — a $383 gap before any retailer discounting.

Which is bigger, the Omnis ERA or the Seestern MoonPhase Master Automatic S401?

The Omnis ERA wears larger at 41.5mm versus 41mm for the Seestern MoonPhase Master Automatic S401 — a 0.5mm difference across the dial.

What movement does the Omnis ERA run compared to the Seestern MoonPhase Master Automatic S401?

Both watches run automatic movements — the Omnis ERA uses the Miyota 8215 and the Seestern MoonPhase Master Automatic S401 uses the Seagull ST2528.

Side by side

Omnis ERAvsSeestern MoonPhase Master Automatic S401

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

Add a watch

Omnis ERA

MSRP $583

See the full ERA

Seestern MoonPhase Master Automatic S401

moonphase-master-automatic-s401-ze

MSRP $200

See the full MoonPhase Master Automatic S401

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

At a glance

8 of 29 specs differ

Diameter

ERA41.5mm

MoonPhase Master Automatic S40141mm

Power Reserve

ERA48h

MoonPhase Master Automatic S401—

Water Resistance

ERA50m

MoonPhase Master Automatic S40150m

MSRP

ERA$583

MoonPhase Master Automatic S401$200

Full specifications

Case

4 specs

Diameter

41.5mm

41mm

Thickness

12mm

13.5mm

Lug-to-Lug

—

0mm

Lug Width

20mm

0mm

Crystal & Dial

1 specs

Dial Color

Meteorite

—

Movement

2 specs

Caliber

Miyota 8215

Seagull ST2528

Power Reserve

48h

Pricing

1 specs

MSRP

$583

$200

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.

Brilliermicro

DiscussionNot started

Adjacent matchups

People also compared

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

Sternglas Hamburg Pro AutomatikvsSeestern MoonPhase Master Automatic S401 Sternglas Hamburg AutomatikvsSeestern MoonPhase Master Automatic S401 Seestern MoonPhase Master Automatic S401vsOblvlo TM Simple Maughan Jones MomentumvsSeestern MoonPhase Master Automatic S401 Omnis ERAvsThorn Vintage 50-Fathoms No-Rad Bronze Dive Watch Omnis ERAvsSpinnaker Tesei Titanium

Edit this comparison Add another watch Explore more 40–43mm watches

Omnis ERAvsSeestern MoonPhase Master Automatic S401

At a glance

Full specifications

More watches worth a look

Airborne X1 42

Forge Patina Green Copper Dial Automatic Watch

Urban Adventure

Shard Enamel Dial Automatic

Kontio

Sukeltaja

SALVADOR 40MM WORLD TIMER AUTOMATIC TWO-TONE DRESS WATCH

Discovery

People also compared