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Home/Browse/Seiko/Prospex Sea
Seiko Prospex Sea
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Seiko · Prospex Sea

Seiko Prospex Sea

Diver

$625
Buy from SeikoFind used on eBay

Case

Diameter
43.8mm
Thickness
12.8mm
Lug-to-lug
48.7mm
Lug width
22mm
Material
Stainless Steel
Water resistance
200m

Crystal & dial

Crystal
Sapphire
AR coating
Anti-reflective coating on inner surface
Lume
LumiBrite on hands, index(es) and bezel

Movement

Caliber
Seiko 4R35
Type
Automatic
Power reserve
41h
Jewels
23
Hacking
No
Hand-winding
No
Complications
Time only

Seiko

Seiko's mid-range automatic caliber, widely used in the Presage and some Prospex lines. Features hacking and hand-winding at an accessible price point. Accuracy spec is -35/+45 seconds per day, though most examples perform well within that range.

Design language

Case shape
round
Dial style
textured
Bezel
rotating
Bracelet
rubber
Hands
baton

AI-detected from the product image

Prospex Sea collection · 32 watches

62MAS
62MAS40.5mm
Captain Willard
Captain Willard42.7mm
Ice Diver
Ice Diver45mm
King Turtle
King Turtle45mm
Monster
Monster42.4mm
Prospex Sea
Prospex Sea42mm
Prospex Sea
Prospex Sea41mm
Prospex Sea
Prospex Sea43.5mm
Prospex Sea
Prospex Sea41.3mm
Prospex Sea
Prospex Sea41.7mm
Prospex Sea
Prospex Sea34mm
Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition
Prospex Sea 1965 Heritage Diver's Save the Ocean Special Edition40.5mm
19 more in this collection
Prospex Sea 1965 Heritage Diver's WatchProspex Sea 1965 Heritage Diver's Watch PADI Special EditionProspex Sea 1968 Heritage Diver's GMTProspex Sea 1968 Heritage Diver's GMT WatchProspex Sea 1968 Heritage Diver's GMT Watch Limited EditionProspex Sea 1970 Heritage Diver's Black Series Limited EditionProspex Sea 1970 Heritage Diver's Save the Ocean Special EditionProspex Sea JAWS 50th Anniversary Limited EditionProspex Sea PADI Special EditionProspex Sea PADI Special EditionProspex Sea PADI Special EditionProspex Sea PADI Special EditionProspex Sea Save the Ocean Special EditionProspex Sea Save the Ocean Special EditionProspex Sea Save the Ocean Special EditionProspex Sea Seiko Diver’s Watch 60th Anniversary Limited EditionProspex Sea Seiko Diver’s Watch 60th Anniversary Limited EditionProspex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited EditionProspex Sea The Black Series

2 colorways

Alternatives

01The living market

This one moves.

It is on r/Watchexchange and WatchUSeek right now, and finding it means searching both by hand. Not appraisals or offers.

Retail$625

1 for sale right now.

  • ·The weekly trend, on a real time scale
  • ·The listing itself, priced and linked
See what Lug2Lug Market+ adds

02The connection engine

More like this.

Seiko Prospex Sea PADI Special Edition

Seiko

Prospex Sea PADI Special Edition

43.8mm · Automatic$625

Seiko Prospex Sea Save the Ocean Special Edition

Seiko

Prospex Sea Save the Ocean Special Edition

43.8mm · Automatic$650

Spinnaker Hass Automatic

Spinnaker

Hass Automatic

43mm · Automatic$445

Seiko Prospex Sea JAWS 50th Anniversary Limited Edition

Seiko

Prospex Sea JAWS 50th Anniversary Limited Edition

45mm · Automatic$795

Tornek-Rayville TR Type 7B Blakjak

Tornek-Rayville

TR Type 7B Blakjak

42.5mm · Automatic$895

Zelos SS Damascus LE

Zelos

SS Damascus LE

44mm · Automatic$799

View all alternatives

03The community take

Owners talk.

“

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

Synthesized from 10 sources
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On real wrists

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04The paper trail

Cross-shops

Popular comparisons.

The matchups people make with the Seiko Prospex Sea most — open one to see it side by side.

  • Sinn U2 S (EZM 5)vs Seiko Prospex Sea→
  • Citizen Promaster Diver Automaticvs Seiko Prospex Sea→

05The discussion

Talk about the Seiko Prospex Sea.