
Finding alternatives to
Pagani Design PD-1821
Ref. pd-1821
41 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
41mm
Movement
Automatic
Category
Diver
MSRP
$137
Most similar· 8
The closest match overall — same case size, similar movement family, comparable price. Often the deciding click for a new buyer.

Seiko
Prospex Sea
42mm · Automatic0
Common cross-shop · Automatic

Orient
Classic Watch
40mm · Automatic$245
Common cross-shop · Automatic

Orient
Bambino Version 1
40mm · Automatic$255
Common cross-shop · Automatic

Orient
Sport Watch
41.9mm · Automatic$245
Common cross-shop · Automatic

Tudor
Black Bay
41mm · Automatic0
Automatic · Same size

Grand Seiko
SBGD201
43mm · Spring Drive0
Similar size · Sapphire

Grand Seiko
SBGD202
43mm · Spring Drive0
Similar size · Sapphire

Grand Seiko
SBGZ003
38.5mm · Spring Drive0
Sapphire · Visually similar
Pricier alternatives· 12
Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.

Tissot
T-Race
41mm · Automatic$875
Common cross-shop · Automatic

DOXA
SUB 250T GMT
40mm · Automatic$2,790
Common cross-shop · Automatic

Longines
HYDROCONQUEST MESH
41mm · Automatic$2,350
Automatic · Same size

Seiko
Prospex Sea
41.3mm · Automatic$1,100
Common cross-shop · Automatic

Seiko
Prospex Sea
41mm · Automatic$900
Common cross-shop · Automatic

Seiko
Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition
40.5mm · Automatic$1,250
Common cross-shop · Automatic

Tissot
Seastar 1000
40mm · Automatic$875
Common cross-shop · Automatic

Hamilton
Khaki Navy Frogman Auto
41mm · Automatic$1,395
Common cross-shop · Automatic

Hamilton
Khaki Navy Scuba Auto
40mm · Automatic$975
Common cross-shop · Automatic

Longines
HYDROCONQUEST
41mm · Automatic$2,000
Automatic · Same size

Tissot
Gentleman Open Heart
40mm · Automatic$1,025
Common cross-shop · Automatic

Longines
HYDROCONQUEST GMT
41mm · Automatic$3,350
Automatic · Same size
Looks like this· 9
Watches that wear the same design language — close enough that a stranger might confuse them across the room.

Pagani Design
PD-1692 II
40mm · Automatic$125
Shared caliber (Miyota 8215) · Same family (Automatic)

Pagani Design
PD-1715
40mm · Automatic$171
Shared caliber (Miyota 8215) · Same family (Automatic)

Pagani Design
PD-1691
39.7mm · Automatic$146
Shared caliber (Miyota 8215) · Same family (Automatic)

Seestern
S471 Double Crown Diver
38mm · Automatic$179
Shared caliber (Miyota 8215) · Automatic

Sugess
Ocean Star S450 YM
40mm · Automatic$449
Automatic · Same size

Sugess
Ocean Star S421
40mm · Automatic$449
Automatic · Same size

Sugess
Seestern S434 Pro Diver
40mm · Automatic$249
Automatic · Same size

Seestern
S450 Ocean Star
40mm · Automatic$299
Automatic · Same size

Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Same size
Microbrand picks· 12
Independent makers covering the same brief — usually with something the mainstream brands don't.

Sternglas
Marus
42mm · Automatic$485
Shared caliber (Miyota 8215) · Automatic

Zelos
Diver - Forged Carbon
40mm · Automatic$749
Common cross-shop · Automatic

Zelos
SS - Coal
40mm · Automatic$399
Common cross-shop · Automatic

Oblvlo
DM Skeleton Dive
40mm · Automatic$194
Shared caliber (Miyota 8215) · Automatic

Lum-Tec
Marine 9
39mm · Automatic$463
Common cross-shop · Automatic

Monta
Blue / Aluminum
40mm · Automatic$2,550
Automatic · Same size

Spinnaker
Atlantic Blue
42mm · Automatic$179
Common cross-shop · Automatic

Spinnaker
TIGER EYE
42mm · Automatic$520
Common cross-shop · Automatic

Spinnaker
Atlantic Blue
42mm · Automatic$420
Common cross-shop · Automatic

Yema
Black
39.5mm · Automatic$990
Common cross-shop · Automatic

Zelos
SS - Teal Meteorite
41mm · Automatic$499
Common cross-shop · Automatic

Christopher Ward
C60 Trident Reef
41mm · Automatic$995
Common cross-shop · Automatic