CWC (Cabot Watch Company) RN81 Diver Automatic Watch
Finding alternatives to

CWC (Cabot Watch Company) RN81 Diver Automatic Watch

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

Case
45mm
Movement
Automatic
MSRP
$2,858
The short answer

The closest alternative to the CWC (Cabot Watch Company) RN81 Diver Automatic Watch is the Marathon GSAR (Government Search & Rescue) Diver's Automatic ($2,100) — shared caliber (Sellita SW200-1) and Looks nearly identical. If price is the constraint, the Aigi Watches RAAF at $1,032 (vs $2,858 for the RN81 Diver Automatic Watch) covers most of the same brief. From the independents, the Limes Leviathan L is the standout microbrand take — shared caliber (Sellita SW200-1) and Looks nearly identical. Stepping up, the Linde Werdelin 3 Timer ($5,841) is where the same idea goes with a bigger budget.

56 matches
Microbrand picks· 12

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

Limes
Leviathan L
44.5mm · Automatic
Shared caliber (Sellita SW200-1) · Looks nearly identical
CWC (Cabot Watch Company)
E9 Automatic Diver Watch
45mm · Automatic$2,120
Shared caliber (Sellita SW200-1) · Looks nearly identical
CWC
RN81 Clearance Diver Automatic Watch
41mm · Automatic$1,875
Shared caliber (Sellita SW200-1) · Looks nearly identical
CWC (Cabot Watch Company)
Arctic Radar Automatic Diver Watch
45mm · Automatic$2,031
Shared caliber (Sellita SW200-1) · Looks nearly identical
Serket Watch Co
Reef
46mm · Automatic$899
Shared caliber (Sellita SW200-1) · Visually similar
CWC (Cabot Watch Company)
1980 RN Divers Automatic Re-Issue Watch
45mm · Automatic$3,747
Looks nearly identical · Automatic
Venezianico
Nereide Bronzo
42mm · Automatic$1,250
Shared caliber (Sellita SW200-1) · Looks nearly identical
CWC
Automatic Divers Watch Mk.2 Black
41mm · Automatic$1,249
Shared caliber (Sellita SW200-1) · Looks nearly identical
CWC
Automatic Divers Watch Mk.2 Black with Date
41mm · Automatic$1,249
Shared caliber (Sellita SW200-1) · Looks nearly identical
Zero West
M1 Series
41mm · Automatic$3,600
Shared caliber (Sellita SW200-1) · Looks nearly identical
Spinnaker
Tesei Bronze Swiss
43mm · Automatic$850
Shared caliber (Sellita SW200-1) · Looks nearly identical
Boldr
Odyssey Original
45.5mm · Automatic$799
Looks nearly identical · Automatic
Mainstream picks· 12

Established brands covering the same brief at a comparable price — same case size, similar movement family. Often the deciding click for a new buyer.

Marathon
GSAR (Government Search & Rescue) Diver's Automatic
41mm · Automatic$2,100
Shared caliber (Sellita SW200-1) · Looks nearly identical
Marathon
Jeep Rubicon GSAR
41mm · Automatic$2,100
Shared caliber (Sellita SW200-1) · Visually similar
Marathon
OSAR-D (Original SAR with Date) Automatic 46mm
46mm · Automatic$2,500
Looks nearly identical · Automatic
Seiko
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
44mm · Automatic$3,300
Looks nearly identical · Automatic
Andersmann Watch Co
DEEP OCEAN ANN0913
47mm · Automatic$2,180
Looks nearly identical · Automatic
Bremont
S502
43mm · Automatic$5,100
Looks nearly identical · Automatic
Linde Werdelin
Biformeter Elemental – Black Dial
44mm · Automatic$5,206
Looks nearly identical · Automatic
Andersmann Watch Co
DEEP OCEAN ANN0982
47mm · Automatic$2,180
Looks nearly identical · Automatic
Seiko
Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition
42mm · Automatic$1,750
Looks nearly identical · Automatic
Bremont
Supermarine 500M
43mm · Automatic$4,700
Looks nearly identical · Automatic
Longines
LEGEND DIVER 42 BLACK LACQUERED
42mm · Automatic$3,200
Looks nearly identical · Automatic
Tudor
Black Bay Bronze
43mm · Automatic$5,425
Looks nearly identical · 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.

Aigi Watches
RAAF
40mm · Automatic$1,032
Shared caliber (Sellita SW200-1) · Looks nearly identical
Andersmann Watch Co
CLASSIC 300M
44mm · Automatic$1,280
Looks nearly identical · Automatic
Orient
M-Force AC0L
45mm · Automatic$605
Looks nearly identical · Automatic
Audaz
ADZ-3010
44mm · Automatic$720
Looks nearly identical · Automatic
Andersmann Watch Co
OCEANMASTER II 1000M ANN0853
47mm · Automatic$1,280
Looks nearly identical · Automatic
Andersmann Watch Co
OCEANMASTER I 1000M
47mm · Automatic$1,280
Looks nearly identical · Automatic
Seiko
King Turtle
45mm · Automatic$650
Looks nearly identical · Automatic
Audaz
ADZ-3070
42mm · Automatic$700
Looks nearly identical · Automatic
Seiko
Prospex Sea
41.3mm · Automatic$1,100
Looks nearly identical · Automatic
Seiko
Prospex Sea Save the Ocean Special Edition
45mm · Automatic$625
Visually similar · Automatic
Aigi Watches
ARCTIC DIVER
41mm · Automatic$480
Looks nearly identical · Automatic
Aigi Watches
Arctic Diver Black Dive Watch
41mm · Automatic$480
Looks nearly identical · Automatic
Pricier alternatives· 12

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

Linde Werdelin
3 Timer
44mm · Automatic$5,841
Looks nearly identical · Automatic
Linde Werdelin
Oktopus III
45mm · Automatic$20,953
Visually similar · Automatic
Bremont
Supermarine Chrono
43mm · Automatic$6,850
Visually similar · Automatic
Tudor
Black Bay Ceramic
41mm · Automatic$6,125
Looks nearly identical · Automatic
Tudor
Black Bay GMT S&G
41mm · Automatic$5,825
Looks nearly identical · Automatic
Linde Werdelin
Oktopus Moon Gold Black Ink
44mm · Automatic$57,143
Visually similar · Automatic
Schofield
Treasure Watch
44mm · Automatic$6,260
Looks nearly identical · Automatic
Seiko
Prospex LX line
44.8mm · Spring Drive$6,500
Visually similar · Same size
Tudor
Pelagos FXD Chrono
43mm · Automatic$6,375
Visually similar · Automatic
Grand Seiko
SBGA481
44.5mm · Spring Drive$11,100
Visually similar · Same size
Grand Seiko
SBGC253
44.5mm · Spring Drive$13,200
Visually similar · Same size
Grand Seiko
SLGC009
43mm · Automatic$16,900
Visually similar · Automatic
Looks like this· 8

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

Pagani Design
PD-1680
44mm · Automatic$171
Visually similar · Automatic
Pagani Design
PD-1755
40mm · Automatic$146
Looks nearly identical · Automatic
Pagani Design
PD-1674
44mm · Automatic$137
Visually similar · Automatic
Sugess
Seestern 62MAS V3
39mm · Automatic$199
Looks nearly identical · Automatic
Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Sapphire
Sugess
Ocean Star S450 YM
40mm · Automatic$449
Visually similar · Automatic
Sugess
Ocean Star S421
40mm · Automatic$449
Automatic · Sapphire
Seestern
S446 GMT
39.5mm · Automatic GMT$299
Sapphire · 90% less