
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.
AI-detected from the product image
Prospex Sea collection · 32 watches
2 colorways
The living market
It is on r/Watchexchange and WatchUSeek right now, and finding it means searching both by hand. Not appraisals or offers.
1 for sale right now.
The connection engine
The community take
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.
On real wrists
No shots yet. Show how it wears.
The paper trail
The matchups people make with the Seiko Prospex Sea most — open one to see it side by side.
The discussion