Finding alternatives to
Seiko Prospex Sea 1965 Heritage Diver's Watch PADI Special Edition
Ref. spb501j1
57 watches that match on case size, movement family, and price band. Sorted by how close the match is.
Case
40mm
Movement
Automatic
Category
Diver
MSRP
$1,550
Most similar· 12
The closest match overall — same case size, similar movement family, comparable price. Often the deciding click for a new buyer.
Seiko
Prospex Sea 1965 Heritage Diver's Watch
40mm · Automatic$1,300
Shared caliber (6R55) · Same family (Prospex Sea)
Seiko
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition
40mm · Automatic$1,400
Shared caliber (6R55) · Same family (Prospex Sea)
Seiko
Prospex Sea
41.3mm · Automatic$1,100
Shared caliber (6R55) · Same family (Prospex Sea)
Tissot
Seastar 1000
40mm · Automatic$875
Common cross-shop · Pro diver
Tissot
Seastar Wilson WNBA
40mm · Automatic$875
Common cross-shop · Pro diver
Marathon
Arctic White on Rubber Strap
41mm · Automatic$1,800
Common cross-shop · Pro diver
Marathon
Black on Rubber Strap
41mm · Automatic$1,800
Common cross-shop · Pro diver
Glycine
Combat Sub Sport
39mm · Automatic$1,850
Common cross-shop · Pro diver
Marathon
Anthracite Black
41mm · Automatic$2,100
Common cross-shop · Pro diver
Tissot
Seastar 2000
46mm · Automatic$1,275
Common cross-shop · Pro diver
Longines
HYDROCONQUEST
39mm · Automatic$2,350
Pro diver · Automatic
Citizen
Promaster Fujitsubo
41mm · Automatic$1,195
Common cross-shop · Pro diver
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.
Seiko
Prospex Sea PADI Special Edition
41.7mm · Automatic$650
Same family (Prospex Sea) · Pro diver
Seiko
Prospex Sea
41.7mm · Automatic$595
Same family (Prospex Sea) · Pro diver
Seiko
Monster
42.4mm · Automatic$550
Same family (Prospex Sea) · Pro diver
Citizen
Promaster Diver Automatic
44mm · Automatic$469
Common cross-shop · Pro diver
Orient
75th Anniversary RA-AC0Q12L30B
39.9mm · Automatic$405
Common cross-shop · Automatic
Orient
AC0Q-40 Diver Watch
39.9mm · Automatic$370
Common cross-shop · Automatic
Orient
AA08 Diver Watch
41.8mm · Automatic$390
Common cross-shop · Automatic
Citizen
Tsuyosa Shore
40mm · Automatic$495
Common cross-shop · Automatic
Marathon
Black
41mm · Automatic$600
Common cross-shop · Automatic
Citizen
Tsuyosa 60
40mm · Automatic$431
Common cross-shop · Automatic
Nivada Grenchen
F77 Chrono Mecaquartz
38mm · Mecaquartz Chronograph$740
Similar size · Sapphire
Hamilton
Khaki Field Mechanical
36mm · Manual$725
Common cross-shop · 53% less
Pricier alternatives· 12
Where the same idea goes when budget isn't the constraint — luxury upgrades and step-ups.
Seiko
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition
44mm · Automatic$3,300
Same family (Prospex Sea) · Pro diver
Bremont
Blue / Green 40mm
40mm · Automatic$3,900
Pro diver · Automatic
Bremont
Green 40mm
40mm · Automatic$3,550
Pro diver · Automatic
Longines
HYDROCONQUEST GMT
41mm · Automatic$3,350
Pro diver · Automatic
Bremont
RNLI Orange
40mm · Automatic$3,795
Pro diver · Automatic
DOXA
SUB 300 Carbon
42.5mm · Automatic$4,390
Common cross-shop · Pro diver
Longines
LEGEND DIVER
39mm · Automatic$3,850
Pro diver · Automatic
Seiko
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
42.6mm · Automatic$3,600
Pro diver · Automatic
Tudor
Pelagos
40mm · Automatic$6,025
Pro diver · Automatic
Tudor
Pelagos LHD
40mm · Automatic$6,025
Pro diver · Automatic
Longines
HYDROCONQUEST GMT
43mm · Automatic$3,350
Pro diver · Automatic
Tudor
Pelagos 39
40mm · Automatic$5,625
Pro diver · Automatic
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-1719
42.5mm · Automatic$154
Common cross-shop · Pro diver
Pagani Design
PD-1691
39.7mm · Automatic$146
Common cross-shop · Tool diver
Pagani Design
PD-1692
40mm · Automatic$137
Common cross-shop · Tool diver
Sugess
Ocean Star S450 YM
40mm · Automatic$449
Pro diver · Automatic
Sugess
Seestern Vintage S407 600T
39mm · Automatic$249
Pro diver · Automatic
Sugess
Ocean Star S421
40mm · Automatic$449
Pro diver · Automatic
Seestern
S456 GMT
41mm · Automatic GMT$299
Same size · Sapphire
Seestern
Sub 300 V4
42mm · Automatic$10
Automatic · Similar size
Seestern
S450 Ocean Star
40mm · Automatic$299
Automatic · Same size
Microbrand picks· 12
Independent makers covering the same brief — usually with something the mainstream brands don't.
Astor + Banks
Tobacco
40mm · Automatic$1,149
Common cross-shop · Pro diver
Boldr
Odyssey 40mm
40mm · Automatic$799
Common cross-shop · Pro diver
Boldr
Odyssey Freediver
40mm · Automatic$649
Common cross-shop · Pro diver
CWC
Arctic Radar Automatic Diver Watch
41mm · Automatic$1,333
Common cross-shop · Pro diver
CWC
E9 Automatic Diver Watch
41mm · Automatic$1,391
Common cross-shop · Pro diver
CWC
RN Automatic Divers Watch Mk.2 with Date
41mm · Automatic$1,249
Common cross-shop · Pro diver
Borealis Watch Co.
Bull Shark V2
38mm · Automatic$495
Common cross-shop · Pro diver
Borealis Watch Co.
Caloura 300m
42mm · Automatic$275
Common cross-shop · Pro diver
Borealis Watch Co.
Estoril 300 GMT
41.50mm · Automatic$600
Common cross-shop · Pro diver
Spinnaker
Aquamarine
40mm · Automatic$650
Common cross-shop · Pro diver
Zelos
Diver - Flare
40mm · Automatic$529
Common cross-shop · Pro diver
Vaer
Anacapa
39mm · Automatic$699
Common cross-shop · Tool diver