Finding alternatives to
Sinn U1 S L
Ref. U1 S L
56 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
44mm
Movement
Automatic
Category
Diver
MSRP
$3,532
Microbrand picks· 12
Independent makers covering the same brief — usually with something the mainstream brands don't.
Boldr
Odyssey Original
45.5mm · Automatic$799
Shared caliber (SW 200-1) · Pro diver
Fortis
Black Resin
44mm · Automatic$5,450
Common cross-shop · Pro diver
Fortis
Amber Orange
44mm · Automatic$5,120
Common cross-shop · Pro diver
Christopher Ward
C60 Lympstone
40mm · Automatic$1,615
Shared caliber (SW 200-1) · Pro diver
Phoibos
Leviathan
45mm · Automatic$309
Pro diver · Automatic
Christopher Ward
C60 Trident Pro 300
40mm · Automatic$1,095
Shared caliber (SW 200-1) · Pro diver
Spinnaker
Blue Yonder
44mm · Automatic$239
Pro diver · Automatic
Christopher Ward
C60 Atoll 300
40mm · Automatic$1,320
Shared caliber (SW 200-1) · Pro diver
Phoibos
Wave Master
42mm · Automatic$309
Pro diver · Automatic
CWC
1980 RN Divers Automatic Re-Issue Watch
41mm · Automatic$2,458
Common cross-shop · Pro diver
CWC
Arctic Radar Automatic Diver Watch
41mm · Automatic$1,333
Common cross-shop · Pro diver
CWC
Automatic Divers Watch Mk.2 Black
41mm · Automatic$1,249
Common cross-shop · Pro diver
Most similar· 12
The closest match overall — same case size, similar movement family, comparable price. Often the deciding click for a new buyer.
Sinn
EZM 3 S
41mm · Automatic$3,046
Shared caliber (SW 200-1) · Industrial tool
Sinn
U18
44mm · Automatic$3,488
Industrial tool · Automatic
Sinn
U2 S (EZM 5)
44mm · Automatic$3,802
Industrial tool · Automatic
Marathon
Anthracite Black on Rubber Strap
46mm · Automatic$3,250
Common cross-shop · Industrial tool
Marathon
Black on Rubber Strap
46mm · Automatic$2,500
Common cross-shop · Industrial tool
Bremont
Black 43mm
43mm · Automatic$5,100
Common cross-shop · Pro diver
Marathon
Arctic White on Rubber Strap
46mm · Automatic$2,500
Common cross-shop · Industrial tool
Bremont
Black 43mm
43mm · Automatic$4,700
Common cross-shop · Pro diver
Longines
LEGEND DIVER 42 BLACK LACQUERED
42mm · Automatic$3,200
Pro diver · Automatic
Glycine
Combat Sub Sport
39mm · Automatic$1,850
Shared caliber (SW 200-1) · Pro diver
Longines
ULTRA‑CHRON CARBON
43mm · Automatic$5,550
Pro diver · Automatic
Seiko
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
44mm · Automatic$3,300
Pro diver · Automatic
Cheaper alternatives· 12
If the price is the only thing keeping you off this watch, these get you most of the way there for less.
Marathon
OD Green
41mm · Automatic$1,650
Common cross-shop · Industrial tool
Tissot
Seastar 1000 Powermatic 80 GMT
46mm · Automatic$1,375
Pro diver · Automatic
Seiko
Prospex Sea
43.8mm · Automatic$625
Pro diver · Automatic
Seiko
King Turtle
45mm · Automatic$650
Pro diver · Automatic
Seiko
Prospex Sea PADI Special Edition
45mm · Automatic$650
Pro diver · Automatic
Glycine
Combat Sub Vintage
42mm · Automatic$1,750
Shared caliber (SW 200-1) · Automatic
Marathon
Black on Rubber Strap
36mm · Automatic$1,200
Common cross-shop · Industrial tool
Tissot
Seastar 2000
46mm · Automatic$1,275
Pro diver · Automatic
Citizen
Promaster Diver Automatic
44mm · Automatic$469
Pro diver · Automatic
Marathon
Arctic White on Rubber Strap
36mm · Automatic$1,200
Common cross-shop · Industrial tool
Glycine
Combat Sub Sport Bronze
39mm · Automatic$1,650
Shared caliber (SW 200-1) · Pro diver
Tissot
Seastar 1000
40mm · Automatic$875
Pro diver · Automatic
Pricier alternatives· 12
Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.
Grand Seiko
SBGH289
43.8mm · Automatic$7,700
Tool diver · Automatic
Grand Seiko
SBGJ237
44.2mm · Automatic$7,600
Tool diver · Automatic
Bell & Ross
BR 03-92 DIVER BLUE BRONZE SAPPHIRE BEZEL
42mm · Automatic$8,532
Pro diver · Automatic
Oris
Sun Wukong Artist Edition
41.5mm · Automatic$30,400
Pro diver · Automatic
Grand Seiko
SBGA481
44.5mm · Spring Drive$11,100
Tool diver · Same size
Sinn
1800 TITANDAMASZENER
43mm · Automatic$10,681
Industrial tool · Automatic
Norqain
Wild ONE Vienna Capitals Special Edition
42mm · Automatic$7,607
Automatic · Similar size
Norqain
Wild ONE 42mm Khaki
42mm · Automatic$7,673
Automatic · Similar size
Norqain
Wild ONE Skeleton Chrono 42mm Black
42mm · Automatic$10,611
Automatic · Similar size
Tudor
Black Bay 58 18K
39mm · Automatic$22,550
Common cross-shop · Tool diver
Longines
LONGINES SPIRIT FLYBACK PROTOTYPE
42mm · Automatic$7,400
Automatic · Similar size
Tudor
Black Bay Chrono S&G
41mm · Automatic$8,525
Common cross-shop · Automatic
Looks like this· 8
Watches that wear the same design language — close enough that a stranger might confuse them across the room.
Pagani Design
PD-1695
45mm · Automatic$145
Pro diver · Automatic
Pagani Design
PD-1719
42.5mm · Automatic$154
Pro diver · Automatic
Sugess
Seestern DOX V3
42mm · Automatic$199
Pro diver · Automatic
Pagani Design
PD-1674
44mm · Automatic$137
Tool diver · Automatic
Sugess
Ocean Star S450 YM
40mm · Automatic$449
Pro diver · Automatic
Sugess
Seestern S462 Titanium GMT Pro Diver LE
40mm · Automatic GMT$449
Pro diver · Sapphire
Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Similar size
Seestern
S450 Ocean Star
40mm · Automatic$299
Automatic · Sapphire