Sinn U18
Finding alternatives to

Sinn U18

Ref. U18

72 watches that match on case size, movement family, and price band. Sorted by how close the match is.

Case
44mm
Movement
Automatic
MSRP
$3,488
Microbrand picks· 15

Independent makers covering the same brief — usually with something the mainstream brands don't.

Boldr Odyssey Original — alternative to Sinn U18
Boldr
Odyssey Original
45.5mm · Automatic$799
Automatic · Similar size
Christopher Ward C60 Trident Lumière Limited Edition — alternative to Sinn U18
Christopher Ward
C60 Trident Lumière Limited Edition
40mm · Automatic$2,145
Shared caliber (SW300-1) · Automatic
RZE Aspirare — alternative to Sinn U18
RZE
Aspirare
44mm · Automatic$699
Automatic · Same size
Boldr Odyssey Regatta — alternative to Sinn U18
Boldr
Odyssey Regatta
45.5mm · Automatic$1,499
Automatic · Similar size
Gruppo Gamma Peacemaker Bronze — alternative to Sinn U18
Gruppo Gamma
Peacemaker Bronze
43mm · Automatic$990
Automatic · Same size
Boldr Odyssey Bronze — alternative to Sinn U18
Boldr
Odyssey Bronze
45.5mm · Automatic$649
Automatic · Similar size
Christopher Ward C60 Pro 300 Vintage — alternative to Sinn U18
Christopher Ward
C60 Pro 300 Vintage
42mm · Automatic$1,550
Automatic · Similar size
Christopher Ward C60 Sapphire Edge — alternative to Sinn U18
Christopher Ward
C60 Sapphire Edge
40mm · Automatic$1,495
Shared caliber (SW300-1) · Automatic
Christopher Ward C60 Lympstone — alternative to Sinn U18
Christopher Ward
C60 Lympstone
40mm · Automatic$1,615
Automatic · Sapphire
Gruppo Gamma Vanguard Steel — alternative to Sinn U18
Gruppo Gamma
Vanguard Steel
42mm · Automatic$790
Automatic · Similar size
Gruppo Gamma Vanguard Weathered — alternative to Sinn U18
Gruppo Gamma
Vanguard Weathered
42mm · Automatic$790
Automatic · Similar size
Boldr Expedition Enigmath — alternative to Sinn U18
Boldr
Expedition Enigmath
41mm · Automatic$599
Automatic · Sapphire
Gruppo Gamma Field III — alternative to Sinn U18
Gruppo Gamma
Field III
40mm · Automatic$439
Automatic · Sapphire
Echo/Neutra Cristallo Professional Diver 500m — alternative to Sinn U18
Echo/Neutra
Cristallo Professional Diver 500m
42mm · Automatic$1,450
Automatic · Similar size
RZE Resolute — alternative to Sinn U18
RZE
Resolute
40mm · Automatic$759
Automatic · Sapphire
Steps up from here· 12

Where the same idea goes when budget isn't the constraint.

Sinn 1800 TITANDAMASZENER — alternative to Sinn U18
Sinn
1800 TITANDAMASZENER
43mm · Automatic$10,681
Shared caliber (SW300-1) · Automatic
Norqain Wild ONE 42mm Khaki — alternative to Sinn U18
Norqain
Wild ONE 42mm Khaki
42mm · Automatic$7,673
Automatic · Similar size
Norqain Wild ONE Skeleton Chrono 42mm Black — alternative to Sinn U18
Norqain
Wild ONE Skeleton Chrono 42mm Black
42mm · Automatic$10,611
Automatic · Similar size
Norqain Wild ONE Skeleton Chrono 42mm Burgundy Limited Edition — alternative to Sinn U18
Norqain
Wild ONE Skeleton Chrono 42mm Burgundy Limited Edition
42mm · Automatic$10,724
Automatic · Similar size
Norqain Wild ONE Skeleton Chrono 42mm Red Gold Limited Edition — alternative to Sinn U18
Norqain
Wild ONE Skeleton Chrono 42mm Red Gold Limited Edition
42mm · Automatic$27,900
Automatic · Similar size
Longines LONGINES SPIRIT FLYBACK PROTOTYPE — alternative to Sinn U18
Longines
LONGINES SPIRIT FLYBACK PROTOTYPE
42mm · Automatic$7,400
Automatic · Similar size
Oris Sun Wukong Artist Edition — alternative to Sinn U18
Oris
Sun Wukong Artist Edition
41.5mm · Automatic$30,400
Automatic · Sapphire
Oris Year of the Snake Limited Edition — alternative to Sinn U18
Oris
Year of the Snake Limited Edition
44mm · Manual$9,600
Same size · Sapphire
Bell & Ross BR 03-92 DIVER BLUE BRONZE SAPPHIRE BEZEL — alternative to Sinn U18
Bell & Ross
BR 03-92 DIVER BLUE BRONZE SAPPHIRE BEZEL
42mm · Automatic$8,532
Automatic · Similar size
Bell & Ross BR-X1 instrument de marine — alternative to Sinn U18
Bell & Ross
BR-X1 instrument de marine
45mm · Automatic$24,840
Automatic · Same size
Bell & Ross BR-X1 ROSE GOLD & CERAMIC — alternative to Sinn U18
Bell & Ross
BR-X1 ROSE GOLD & CERAMIC
45mm · Automatic$27,540
Automatic · Same size
Bell & Ross BR-03 Chrono Blacktrack — alternative to Sinn U18
Bell & Ross
BR-03 Chrono Blacktrack
42mm · Automatic$7,776
Automatic · Similar size
In the same price band· 31

Comparable watches at roughly the same money. Often the deciding click for a new buyer.

Sinn 1746 Porcelain — alternative to Sinn U18
Sinn
1746 Porcelain
42mm · Automatic$5,022
Shared caliber (SW300-1) · Automatic
Sinn U1 S L — alternative to Sinn U18
Sinn
U1 S L
44mm · Automatic$3,532
Automatic · Same size
Sinn HUNTING WATCH 3006 — alternative to Sinn U18
Sinn
HUNTING WATCH 3006
44mm · Automatic$5,508
Automatic · Same size
Sinn T50 GBDR — alternative to Sinn U18
Sinn
T50 GBDR
41mm · Automatic$4,428
Shared caliber (SW300-1) · Automatic
Longines HYDROCONQUEST GMT — alternative to Sinn U18
Longines
HYDROCONQUEST GMT
43mm · Automatic$3,350
Automatic · Same size
Tudor Black Bay Bronze — alternative to Sinn U18
Tudor
Black Bay Bronze
43mm · Automatic$5,425
Automatic · Same size
Longines LONGINES PILOT MAJETEK PIONEER EDITION — alternative to Sinn U18
Longines
LONGINES PILOT MAJETEK PIONEER EDITION
43mm · Automatic$5,650
Automatic · Same size
Tudor Black Bay 68 — alternative to Sinn U18
Tudor
Black Bay 68
43mm · Automatic$5,475
Automatic · Same size
Longines LEGEND DIVER 42 BLACK LACQUERED — alternative to Sinn U18
Longines
LEGEND DIVER 42 BLACK LACQUERED
42mm · Automatic$3,200
Automatic · Similar size
Longines LONGINES SPIRIT CHRONOGRAPH — alternative to Sinn U18
Longines
LONGINES SPIRIT CHRONOGRAPH
42mm · Automatic$3,700
Automatic · Similar size
Norqain Adventure Sport 42mm Golden Hour Limited Edition — alternative to Sinn U18
Norqain
Adventure Sport 42mm Golden Hour Limited Edition
42mm · Automatic$4,170
Automatic · Similar size
Norqain Adventure Sport Chrono 44mm DLC — alternative to Sinn U18
Norqain
Adventure Sport Chrono 44mm DLC
44mm · Automatic$6,158
Automatic · Same size
Norqain Adventure Sport Chrono 44mm Golden Hour Limited Edition — alternative to Sinn U18
Norqain
Adventure Sport Chrono 44mm Golden Hour Limited Edition
44mm · Automatic$6,317
Automatic · Same size
Norqain Adventure Sport JP 42mm Anthracite Grey — alternative to Sinn U18
Norqain
Adventure Sport JP 42mm Anthracite Grey
42mm · Automatic$3,471
Automatic · Similar size
Tudor Pelagos FXD — alternative to Sinn U18
Tudor
Pelagos FXD
42mm · Automatic$5,025
Automatic · Similar size
Glycine Airman SST GMT — alternative to Sinn U18
Glycine
Airman SST GMT
43mm · Automatic$3,400
Automatic · Same size
Tudor Black Bay Ceramic — alternative to Sinn U18
Tudor
Black Bay Ceramic
41mm · Automatic$6,125
Automatic · Sapphire
Glycine Combat Sub Vintage — alternative to Sinn U18
Glycine
Combat Sub Vintage
42mm · Automatic$1,750
Automatic · Similar size
NOMOS Glashütte Club Sport neomatik 42 date black — alternative to Sinn U18
NOMOS Glashütte
Club Sport neomatik 42 date black
42mm · Automatic$5,050
Automatic · Similar size
NOMOS Glashütte Tangente Sport neomatik 42 date marine black — alternative to Sinn U18
NOMOS Glashütte
Tangente Sport neomatik 42 date marine black
42mm · Automatic$6,030
Automatic · Similar size
Oris Aquis Chronograph — alternative to Sinn U18
Oris
Aquis Chronograph
43.5mm · Automatic$5,000
Automatic · Same size
Oris Aquis Date Relief — alternative to Sinn U18
Oris
Aquis Date Relief
43.5mm · Automatic$2,600
Automatic · Same size
Oris Dat Watt Limited Edition II — alternative to Sinn U18
Oris
Dat Watt Limited Edition II
43.5mm · Automatic$3,300
Automatic · Same size
Oris Great Barrier Reef Limited Edition IV — alternative to Sinn U18
Oris
Great Barrier Reef Limited Edition IV
43.5mm · Automatic$4,750
Automatic · Same size
Glycine Airman Bronze GMT — alternative to Sinn U18
Glycine
Airman Bronze GMT
44mm · Automatic$3,000
Automatic · Same size
Glycine Airman Contemporary Bronze GMT — alternative to Sinn U18
Glycine
Airman Contemporary Bronze GMT
44mm · Automatic$3,000
Automatic · Same size
Bell & Ross BR V3-94 A521 — alternative to Sinn U18
Bell & Ross
BR V3-94 A521
43mm · Automatic$5,184
Automatic · Same size
Bell & Ross BR 126 AÉRONAVALE — alternative to Sinn U18
Bell & Ross
BR 126 AÉRONAVALE
43mm · Automatic$4,309
Automatic · Same size
Bell & Ross BR 03-92 DESERT TYPE — alternative to Sinn U18
Bell & Ross
BR 03-92 DESERT TYPE
42mm · Automatic$3,672
Automatic · Similar size
Bell & Ross BR 03-94 R.S.18 — alternative to Sinn U18
Bell & Ross
BR 03-94 R.S.18
42mm · Automatic$6,372
Automatic · Similar size
NOMOS Glashütte Club automatic date Atlantic — alternative to Sinn U18
NOMOS Glashütte
Club automatic date Atlantic
41.5mm · Automatic$4,050
Automatic · Sapphire
Cheaper alternatives· 9

If the price is the only thing keeping you off this watch, these get you most of the way there for less.

Orient RA-AC0K Diver Watch — alternative to Sinn U18
Orient
RA-AC0K Diver Watch
43.4mm · Automatic$455
Automatic · Same size
Orient M-Force AC0L — alternative to Sinn U18
Orient
M-Force AC0L
45mm · Automatic$605
Automatic · Same size
Orient RA-AC0K05G00B LE — alternative to Sinn U18
Orient
RA-AC0K05G00B LE
43.4mm · Automatic$450
Automatic · Same size
Orient Kanno — alternative to Sinn U18
Orient
Kanno
44mm · Automatic$320
Automatic · Same size
Nivada Grenchen F77 MK2 41mm Automatic — alternative to Sinn U18
Nivada Grenchen
F77 MK2 41mm Automatic
41mm · Automatic$1,460
Automatic · Sapphire
Glycine Combat Classic — alternative to Sinn U18
Glycine
Combat Classic
43mm · Automatic$1,550
Automatic · Same size
Glycine Combat Sub Bronze — alternative to Sinn U18
Glycine
Combat Sub Bronze
42mm · Automatic$1,650
Automatic · Similar size
Glycine Combat Sub Sport — alternative to Sinn U18
Glycine
Combat Sub Sport
42mm · Automatic$1,650
Automatic · Similar size
Glycine Combat Sub Vintage Bronze — alternative to Sinn U18
Glycine
Combat Sub Vintage Bronze
42mm · Automatic$1,650
Automatic · Similar size
Direct homages· 5

Watches that wear the same design language — close enough that a stranger might confuse them across the room.

Tudor Black Bay — alternative to Sinn U18
Tudor
Black Bay
41mm · Automatic0
Automatic · Sapphire
Sugess Seestern DOX V3 — alternative to Sinn U18
Sugess
Seestern DOX V3
42mm · Automatic$199
Automatic · Similar size
Seestern Sub 300 V4 — alternative to Sinn U18
Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Similar size
Sugess Ocean Star S421 — alternative to Sinn U18
Sugess
Ocean Star S421
40mm · Automatic$449
Automatic · Sapphire
Sugess Ocean Star S450 YM — alternative to Sinn U18
Sugess
Ocean Star S450 YM
40mm · Automatic$449
Automatic · Sapphire
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