
Finding alternatives to
Seestern S450 Ocean Star
Ref. S450.WS
84 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
40mm
Movement
Automatic
MSRP
$299
ComplicationsGMTDate
Microbrand picks· 38
Independent makers covering the same brief — usually with something the mainstream brands don't.

Oak & Oscar
The Humboldt Seven Year
39.5mm · Automatic$2,400
Shared: GMT, Date · Automatic

Echo/Neutra
1956 3H
40mm · Automatic$1,025
Shared: GMT, Date · Automatic

Oak & Oscar
Team Shuster Humboldt
39.5mm · Automatic$2,022
Shared: GMT, Date · Automatic

Oak & Oscar
The Ashland
39.5mm · Automatic$1,850
Shared: GMT, Date · Automatic

Oak & Oscar
The Humboldt 12-hr
39.5mm · Automatic$1,750
Shared: GMT, Date · Automatic

Christopher Ward
C60 Atoll 300
40mm · Automatic$1,320
Shared: Date · Automatic

Christopher Ward
The Twelve
40mm · Automatic$1,495
Shared: GMT, Date · Automatic

Gruppo Gamma
Field III GMT Date
40mm · Automatic$459
Shared: GMT, Date · Automatic

Christopher Ward
C60 Trident GMT 300
40mm · Automatic$1,450
Shared: GMT · Automatic

Christopher Ward
C60 Trident Pro 300
40mm · Automatic$1,095
Shared: Date · Automatic

Traska
Freediver Arctic
40mm · Automatic$735
Shared: Date · Automatic

Echo/Neutra
Averau 39 3H
39mm · Automatic$840
Shared: Date · Automatic

Traska
Commuter Carbon Black
40mm · Automatic$700
Shared: Date · Automatic

Traska
Venturer GMT
40mm · Automatic$785
Shared: GMT · Automatic

Echo/Neutra
1956 Chrono
40mm · Manual winding chronograph$2,060
Shared: GMT, Date · Same size

Gruppo Gamma
Field III GMT
40mm · Automatic$459
Shared: GMT · Automatic

Gruppo Gamma
Vanguard Steel Date
42mm · Automatic$790
Shared: Date · Automatic

Gruppo Gamma
Vanguard Weathered Date
42mm · Automatic$790
Shared: Date · Automatic

Boldr
Expedition Enigmath
41mm · Automatic$599
Automatic · Same size

RZE
Valour 38
38mm · Automatic$399
Shared: Date · Automatic

Traska
Seafarer Charcoal
40mm · Automatic$665
Automatic · Same size

Boldr
Globetrotter GMT
40mm · Automatic$469
Automatic · Same size

Boldr
Marine
40mm · Automatic$439
Automatic · Same size

Boldr
Merlion 50th Anniversary
40mm · Automatic$449
Automatic · Same size

Echo/Neutra
Averau 39 Moon Phase
39mm · Automatic$1,085
Automatic · Same size

Lorca
MODEL No.2 CHRONOGRAPH
37mm · Automatic$2,750
Shared: GMT · Automatic

Lorca
MODEL No.1 GMT
36mm · Automatic$1,875
Shared: GMT · Automatic

RZE
Endeavour
41mm · Automatic$599
Automatic · Same size

anOrdain
Model 1
41mm · Automatic$3,804
Automatic · Same size

anOrdain
Model 2
41mm · Automatic$2,673
Automatic · Same size

Brew
Metric - Digital Blend
40mm · Automatic$425
Automatic · Same size

RZE
Fortitude GMT
41mm · Automatic GMT$719
Shared: GMT · Same size

RZE
Resolute Type A
39mm · Automatic$499
Automatic · Same size

anOrdain
Model 2 Porcelain
39.5mm · Automatic$2,356
Automatic · Same size

anOrdain
Fabrik GMT
38mm · Automatic$1,937
Automatic · Similar size

Brew
8-Bit V2
40mm · Automatic$395
Automatic · Same size

Brew
Metric - Manual Wind Blue
40mm · Automatic$875
Automatic · Same size

Brew
Metric Lite
40mm · Automatic$375
Automatic · Same size
Steps up from here· 37
Where the same idea goes when budget isn't the constraint.

Sinn
105 St Sa UTC
41mm · Automatic$1,998
Shared: GMT, Date · Automatic

Sinn
856 S UTC
40mm · Automatic$2,938
Shared: GMT, Date · Automatic

Nivada Grenchen
Antarctic Spider
38mm · Automatic$945
Shared: GMT, Date · Automatic

Glycine
Airman Vintage The Chief GMT
40mm · Automatic$2,900
Shared: GMT, Date · Automatic

Sinn
144 St DIAPAL
41mm · Automatic$4,428
Shared: GMT, Date · Automatic

Sinn
6068
38.5mm · Automatic$2,754
Shared: GMT, Date · Automatic

Bell & Ross
BR-05 GMT Sky Blue
41mm · Automatic$6,264
Shared: GMT, Date · Automatic

Glycine
Airman GMT
42mm · Automatic$2,700
Shared: GMT, Date · Automatic

Glycine
Combat Sub Sport
39mm · Automatic$1,850
Shared: Date · Automatic

Glycine
Sea Kraken
39mm · Automatic$1,600
Shared: Date · Automatic

Nivada Grenchen
Depthmaster
39mm · Automatic$1,050
Shared: GMT · Automatic

Bell & Ross
BR 123 24H
42mm · Automatic$3,337
Shared: GMT, Date · Automatic

Nivada Grenchen
Antarctic Diver Aquamar
38mm · Automatic$1,050
Shared: GMT · Automatic

Norqain
Freedom 60 GMT 40mm Ice Blue
40mm · Automatic$5,639
Shared: GMT · Automatic

Norqain
Adventure 40mm
40mm · Automatic$4,283
Automatic · Same size

Norqain
Adventure NEVEREST 40mm Limited Edition
40mm · Automatic$5,028
Automatic · Same size

Norqain
Independence Skeleton 40mm Anthracite Turquoise
40mm · Automatic$4,407
Automatic · Same size

Bell & Ross
BR V2-94 R.S.18
41mm · Automatic$5,616
Shared: Date · Automatic

Nivada Grenchen
Antarctic Erotic
38mm · Automatic$1,769
Shared: GMT · Automatic

Oris
Big Crown ProPilot Big Date
41mm · Automatic$2,600
Shared: Date · Automatic

Oris
Divers Sixty‑Five
40mm · Automatic$3,000
Shared: Date · Automatic

Oris
Divers Sixty‑Five 12h Calibre 400
40mm · Automatic$4,300
Shared: Date · Automatic

Oris
Divers Sixty‑Five Date
40mm · Automatic$2,850
Shared: Date · Automatic

Tudor
Black Bay Pro
39mm · Automatic$5,075
Shared: GMT · Automatic

Bell & Ross
BR V1-92 BLUE STEEL
38.5mm · Automatic$2,592
Shared: Date · Automatic

Longines
SPIRIT
40mm · Automatic$2,550
Automatic · Same size

Tudor
Black Bay 58
39mm · Automatic$5,350
Automatic · Same size

Tudor
Monarch
39mm · Automatic$5,875
Automatic · Same size

NOMOS Glashütte
Club Sport neomatik 39 ember
39.5mm · Automatic$4,320
Automatic · Same size

Tudor
Pelagos FXD GMT
42mm · Automatic$5,475
Shared: GMT · Automatic

Longines
HYDROCONQUEST
39mm · Automatic$2,350
Automatic · Same size

Longines
HYDROCONQUEST GMT
41mm · Automatic$3,350
Automatic · Same size

Longines
HYDROCONQUEST MESH
41mm · Automatic$2,350
Automatic · Same size

NOMOS Glashütte
Autobahn neomatik 41 date sports gray
41mm · Automatic$5,690
Automatic · Same size

NOMOS Glashütte
Club Sport neomatik Worldtimer blue
40mm · Automatic$5,760
Automatic · Same size

NOMOS Glashütte
Ahoi neomatik 38 date sand
38.5mm · Automatic$5,100
Automatic · Similar size

Orient
M-Force AC0L
45mm · Automatic$605
Shared: Date · Automatic
In the same price band· 4
Comparable watches at roughly the same money. Often the deciding click for a new buyer.

Orient
Peanuts 75th Anniversary Limited Edition Diver
39.9mm · Automatic$435
Shared: Date · Automatic

Orient
75th Anniversary RA-AC0Q12L30B
39.9mm · Automatic$405
Shared: Date · Automatic

Orient
AC0Q-40 Diver Watch
39.9mm · Automatic$370
Shared: Date · Automatic

Orient
AC0Q-40 RA-AC0Q05P10B
39.9mm · Automatic$355
Shared: Date · Automatic
Direct homages· 5
Watches that wear the same design language — close enough that a stranger might confuse them across the room.

Sugess
Ocean Star S450 YM
40mm · Automatic$449
Shared: GMT, Date · Automatic

Sugess
Ocean Star S421
40mm · Automatic$449
Shared: GMT, Date · Automatic

Sugess
Seestern S434 Pro Diver
40mm · Automatic$249
Shared: GMT, Date · Automatic

Sugess
Seestern 62MAS V3
39mm · Automatic$199
Shared: GMT, Date · Automatic

Tudor
Black Bay
41mm · Automatic0
Automatic · Same size