Sinn 103 St Ty Hd
Finding alternatives to

Sinn 103 St Ty Hd

Ref. 103 St Ty Hd

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

Case
41mm
Movement
Automatic
Category
Tool
MSRP
$2,797
The short answer

The closest alternative to the Sinn 103 St Ty Hd is the Marathon Jeep Rubicon TSAR ($1,650) — common cross-shop and Industrial tool. If price is the constraint, the Marathon Steel Navigator SSNAV Auto at $1,300 (vs $2,797 for the 103 St Ty Hd) covers most of the same brief. From the independents, the Sinn 903 St II is the standout microbrand take — industrial tool and Looks nearly identical. Stepping up, the Bremont Terra Nova 42.5 Chronograph ($5,700) is where the same idea goes with a bigger budget.

57 matches
Microbrand picks· 12

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

Sinn
903 St II
41mm · Automatic$3,942
Industrial tool · Looks nearly identical
Sinn
155 S Revolution II
43mm · Automatic$4,050
Industrial tool · Looks nearly identical
Sinn
910 SRS
41.5mm · Automatic$4,158
Industrial tool · Looks nearly identical
CWC
6BB-WR
42mm · Automatic$1,875
Common cross-shop · Visually similar
Boldr
Expedition II
41mm · Automatic$699
Visually similar · Automatic
CWC
1980 RN Divers Automatic Re-Issue Watch
41mm · Automatic$2,458
Common cross-shop · Visually similar
Fortis
Novonaut N-42
42mm · Automatic$5,230
Common cross-shop · Visually similar
Spinnaker
Tesei Titanium
42mm · Automatic$625
Visually similar · Automatic
William Wood
The Watch
41mm · Automatic$820
Visually similar · Automatic
Spinnaker
Croft
40mm · Automatic$219
Visually similar · Automatic
Spinnaker
Hull
42mm · Automatic$159
Visually similar · Automatic
Fortis
Flieger F-41
41mm · Automatic$2,530
Common cross-shop · Automatic
Most similar· 12

The closest match overall — same case size, similar movement family, comparable price. Often the deciding click for a new buyer.

Marathon
Jeep Rubicon TSAR
41mm · Automatic$1,650
Common cross-shop · Industrial tool
Marathon
Jeep Rubicon GSAR
41mm · Automatic$2,100
Common cross-shop · Industrial tool
Marathon
GSAR (Government Search & Rescue) Diver's Automatic
41mm · Automatic$2,100
Common cross-shop · Industrial tool
Bremont
S302
40mm · Automatic$3,900
Common cross-shop · Visually similar
Seiko
Prospex Sea 1968 Heritage Diver's GMT Watch
42mm · Automatic$1,700
Visually similar · Automatic
Bremont
Vulcan
42mm · Automatic$5,150
Common cross-shop · Visually similar
Bremont
S300
40mm · Automatic$3,795
Common cross-shop · Automatic
Longines
LONGINES SPIRIT CHRONOGRAPH
42mm · Automatic$3,700
Visually similar · Automatic
Tudor
Black Bay
41mm · Automatic
Common cross-shop · Automatic
Linde Werdelin
Biformeter Elemental – Black Dial
44mm · Automatic$5,206
Visually similar · Automatic
Longines
LEGEND DIVER 42 BLACK LACQUERED
42mm · Automatic$3,200
Visually similar · Automatic
Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
42.6mm · Automatic$2,900
Visually similar · 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
Steel Navigator SSNAV Auto
41mm · Automatic$1,300
Common cross-shop · Industrial tool
Marathon
OSAR-D (Original SAR with Date) Automatic 36mm
36mm · Automatic$1,200
Common cross-shop · Industrial tool
Seiko
Prospex Sea
41mm · Automatic$900
Visually similar · Automatic
Marathon
Arctic OSAR 36mm Automatic
36mm · Automatic$1,200
Common cross-shop · Industrial tool
Seiko
Monster
42.4mm · Automatic$550
Visually similar · Automatic
Hamilton
Khaki Aviation Converter Auto
42mm · Automatic$1,345
Visually similar · Automatic
Hamilton
Khaki Aviation Day Date Auto
42mm · Automatic$1,125
Visually similar · Automatic
Hamilton
Khaki Navy Frogman Auto
41mm · Automatic$1,395
Visually similar · Automatic
Orient
AA02 Diver Watch
41.5mm · Automatic$285
Visually similar · Automatic
Orient
M-Force AC0N
45mm · Automatic$555
Visually similar · Automatic
Seiko
Prospex Sea
43.8mm · Automatic$625
Visually similar · Automatic
Orient
Kamasu
41.8mm · Automatic$375
Automatic · Same size
Pricier alternatives· 12

Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.

Bremont
Terra Nova 42.5 Chronograph
42.5mm · Automatic$5,700
Common cross-shop · Visually similar
Bremont
Supermarine Chrono
43mm · Automatic$6,850
Common cross-shop · Visually similar
Tudor
Pelagos
40mm · Automatic$6,025
Common cross-shop · Automatic
Bremont
Fury
40mm · Automatic$7,250
Common cross-shop · Visually similar
Tudor
Black Bay Ceramic
41mm · Automatic$6,125
Common cross-shop · Automatic
Tudor
Pelagos LHD
40mm · Automatic$6,025
Common cross-shop · Automatic
Longines
LONGINES SPIRIT FLYBACK TITANIUM
42mm · Automatic$5,900
Visually similar · Automatic
Longines
LONGINES SPIRIT FLYBACK PROTOTYPE
42mm · Automatic$7,400
Visually similar · Automatic
Bell & Ross
BR V2-94 R.S.18
41mm · Automatic$5,616
Visually similar · Automatic
Linde Werdelin
Spidolite Tech Gold
44mm · Automatic$11,175
Visually similar · Automatic
Linde Werdelin
Spidospeed Titanium – 3D Movement
44mm · Automatic$26,667
Visually similar · Automatic
Grand Seiko
SBGH289
43.8mm · Automatic$7,700
Automatic · Sapphire
Looks like this· 9

Visually-adjacent picks pulled by the image-similarity engine. Quality varies — sometimes a true twin, sometimes just a rhyme.

Pagani Design
PD-1726
40mm · Automatic$155
Visually similar · Automatic
Pagani Design
PD-1685
42mm · Automatic$171
Visually similar · Automatic
Pagani Design
PD-1679
42mm · Automatic$150
Visually similar · Automatic
Sugess
Seestern S434 Pro Diver
40mm · Automatic$249
Visually similar · Automatic
Sugess
Seestern Vintage S407 600T
39mm · Automatic$249
Visually similar · Automatic
Sugess
Ocean Star S450 YM
40mm · Automatic$449
Automatic · Same size
Seestern
S450 Ocean Star
40mm · Automatic$299
Automatic · Same size
Seestern
S471 Double Crown Diver
38mm · Automatic$179
Visually similar · Automatic
Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Same size