
Finding alternatives to
Orient RA-AC0K Diver Watch
Ref. ra-ac0k01b30b
71 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
43.4mm
Movement
Automatic
MSRP
$455
ComplicationsDate
Microbrand picks· 24
Independent makers covering the same brief — usually with something the mainstream brands don't.

Christopher Ward
The Twelve Midnight
43.3mm · Automatic$1,210
Shared: Date · Automatic

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

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

Christopher Ward
C60 Pro 300 Vintage
42mm · Automatic$1,550
Shared: Date · Automatic

Christopher Ward
C60 Pro 300
42mm · Automatic$1,550
Shared: Date · Automatic

Christopher Ward
C65 Cranwell Series 2 Vintage
43.7mm · Automatic$1,615
Automatic · Same size

RZE
Aspirare
44mm · Automatic$699
Automatic · Same size

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

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

Echo/Neutra
Cristallo Professional Diver 500m
42mm · Automatic$1,450
Shared: Date · Automatic

Gruppo Gamma
Peacemaker Bronze
43mm · Automatic$990
Automatic · Same size

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

Echo/Neutra
Averau Ceramic 3H
42mm · Automatic$1,180
Shared: Date · Automatic

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

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

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

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

Boldr
Expedition Enigmath
41mm · Automatic$599
Automatic · Sapphire

Boldr
Odyssey Original
45.5mm · Automatic$799
Automatic · Sapphire

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

Boldr
Expedition II
41mm · Automatic$699
Automatic · Sapphire

Boldr
Odyssey Regatta
45.5mm · Automatic$1,499
Automatic · Sapphire

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

Brew
8-Bit V2
40mm · Automatic$395
Automatic · Sapphire
Steps up from here· 35
Where the same idea goes when budget isn't the constraint.

Sinn
857 S UTC
43mm · Automatic$3,337
Shared: Date · Automatic

Glycine
Combat Sub Vintage
42mm · Automatic$1,750
Shared: Date · Automatic

Sinn
EZM 12
44mm · Automatic$3,942
Shared: Date · Automatic

Sinn
U2 S (EZM 5)
44mm · Automatic$3,802
Shared: Date · Automatic

Glycine
Airman Contemporary GMT
44mm · Automatic$2,850
Shared: Date · Automatic

Glycine
Airman GMT
44mm · Automatic$2,750
Shared: Date · Automatic

Glycine
Airman Purist
44mm · Automatic$2,750
Shared: Date · Automatic

Sinn
140 St S
44mm · Automatic$4,957
Shared: Date · Automatic

Oris
Aquis Chronograph
43.5mm · Automatic$5,000
Shared: Date · Automatic

Oris
Aquis Date Relief
43.5mm · Automatic$2,600
Shared: Date · Automatic

Oris
Big Crown ProPilot Big Day Date
44mm · Automatic$2,900
Shared: Date · Automatic

Oris
Dat Watt Limited Edition II
43.5mm · Automatic$3,300
Shared: Date · Automatic

Longines
HYDROCONQUEST GMT
43mm · Automatic$3,350
Automatic · Same size

Longines
LONGINES PILOT MAJETEK PIONEER EDITION
43mm · Automatic$5,650
Automatic · Same size

Tudor
Black Bay 68
43mm · Automatic$5,475
Automatic · Same size

Bell & Ross
BR V3-94 A521
43mm · Automatic$5,184
Shared: Date · Automatic

Tudor
Pelagos FXD Chrono
43mm · Automatic$6,375
Automatic · Same size

Bell & Ross
BR 126 AÉRONAVALE
43mm · Automatic$4,309
Shared: Date · Automatic

Longines
LEGEND DIVER 42 BLACK LACQUERED
42mm · Automatic$3,200
Automatic · Similar size

Norqain
Adventure Sport JP 42mm Anthracite Grey
42mm · Automatic$3,471
Automatic · Similar size

Norqain
Wild ONE Skeleton 42mm
42mm · Automatic$7,673
Automatic · Similar size

Norqain
Wild ONE Skeleton 42mm Canada Limited Edition
42mm · Automatic$8,051
Automatic · Similar size

Norqain
Wild ONE Skeleton 42mm Generali Geneve Marathon
42mm · Automatic$6,158
Automatic · Similar size

Tudor
Pelagos FXD GMT
42mm · Automatic$5,475
Automatic · Similar size

Bell & Ross
BR 03-92 DESERT TYPE
42mm · Automatic$3,672
Shared: Date · Automatic

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

Longines
LEGEND DIVER 42
42mm · Automatic$2,850
Automatic · Similar size

Tudor
Pelagos FXD
42mm · Automatic$5,025
Automatic · Similar size

NOMOS Glashütte
Club Sport neomatik 42 date black
42mm · Automatic$5,050
Automatic · Similar size

NOMOS Glashütte
Tangente Sport neomatik 42 date marine black
42mm · Automatic$6,030
Automatic · Similar size

Nivada Grenchen
F77 MK2 41mm Automatic
41mm · Automatic$1,460
Automatic · Sapphire

NOMOS Glashütte
Club automatic date Atlantic
41.5mm · Automatic$4,050
Automatic · Similar size

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

Nivada Grenchen
Antarctic Diver Aquamar
38mm · Automatic$1,050
Automatic · Sapphire

Nivada Grenchen
Depthmaster
39mm · Automatic$1,050
Automatic · Sapphire
In the same price band· 4
Comparable watches at roughly the same money. Often the deciding click for a new buyer.

Orient
AC0Q-40 Diver Watch
39.9mm · Automatic$370
Shared caliber (F6722) · Same family (Diver)

Orient
RA-AC0K05G00B LE
43.4mm · Automatic$450
Shared caliber (F6722) · Shared: Date

Orient
Symphony III
41.6mm · Automatic$240
Shared caliber (F6722) · Shared: Date

Orient
75th Anniversary RA-AC0Q12L30B
39.9mm · Automatic$405
Shared caliber (F6722) · Shared: Date
Direct homages· 8
Watches that wear the same design language — close enough that a stranger might confuse them across the room.

Seestern
Sub 300 V4
42mm · Automatic$10
Shared: Date · Automatic

Sugess
Seestern DOX V3
42mm · Automatic$199
Shared: Date · Automatic

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

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

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

Seestern
S450 Ocean Star
40mm · Automatic$299
Shared: Date · Automatic

Tudor
Black Bay
41mm · Automatic0
Automatic · Sapphire

Seestern
S471 Double Crown Diver
38mm · Automatic$179
Shared: Date · Automatic