lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Best dress watches·Diver under $2,000·Chronograph under $5,000·Sport under $5,000·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·What should I buy?·Value retention rankings·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/Seestern/MoonPhase Master Automatic SU2153SW.S
Seestern MoonPhase Master Automatic SU2153SW.S
Click to inspect
Ask the communityStart a discussion about the MoonPhase Master Automatic SU2153SW.S — get takes from other collectors.Ask →
Seestern · MoonPhase Master

Seestern MoonPhase Master Automatic SU2153SW.S

Moonphase

$220In stock
Buy from SeesternFind used on eBay

Case

Diameter
40mm
Thickness
10mm
Material
Stainless Steel
Water resistance
50m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Seagull ST21xx (family)
Type
Automatic
Hacking
No
Hand-winding
No
Complications
Time only

MoonPhase Master collection · 6 watches

MoonPhase Master Automatic S395.01 .S
MoonPhase Master Automatic S395.01 .S41mm
MoonPhase Master Automatic S401C.E
MoonPhase Master Automatic S401C.E41mm
MoonPhase Master Automatic S437-2
MoonPhase Master Automatic S437-241mm
MoonPhase Master Automatic S437-2.SW
MoonPhase Master Automatic S437-2.SW41mm
MoonPhase Master Automatic SU2528STRB V3
MoonPhase Master Automatic SU2528STRB V341mm
Alternatives

02The connection engine

More like this.

Seagull Moon Phase Calendar Power Reserve Flying Dragon Watch 41mm

Seagull

Moon Phase Calendar Power Reserve Flying Dragon Watch 41mm

41mm · Automatic$399

Seagull Moon Phase Calendar Power Reserve Indicator Business Watch 41mm

Seagull

Moon Phase Calendar Power Reserve Indicator Business Watch 41mm

41mm · Automatic$339

Seagull Moon Phase Dress Watch 41mm

Seagull

Moon Phase Dress Watch 41mm

41mm · Automatic$429

Charlie Paris Watches ALLIANCE - 3-hand (39.5mm steel automatic)

Charlie Paris Watches

ALLIANCE - 3-hand (39.5mm steel automatic)

39.5mm · Automatic$1,645

Orient Star Modern Skeleton

Orient Star

Modern Skeleton

41mm · Automatic$600

Baume & Mercier Clifton Moon Phase

Baume & Mercier

Clifton Moon Phase

39mm · Automatic

View all alternatives

03The community take

Owners talk.

“
In a nutshell

The Seestern MoonPhase Master Automatic SU2153SW.S is an automatic moonphase watch, with a 40mm stainless steel case, 10mm thick, powered by the Seagull ST21xx (family) movement. Water resistance is rated to 50m, under a sapphire crystal. Manufacturer MSRP is $220.

Open the discussion

On real wrists

No shots yet. Show how it wears.

04The paper trail

05The discussion

Talk about the Seestern MoonPhase Master Automatic SU2153SW.S.