Skip to content
Lugfolio
Seiko Alpinist SPB121
Studio plate from this house. Confirm the dial on the seller’s page.

Seiko · Japan · Field

Alpinist

SPB121

Green dial, compass bezel. The current Alpinist, not the discontinued SARB017.

Case
39 mm
Material
steel
Introduced
2020
Collection
Prospex

The index

Asking prices

Monthly index through September 2026, scaled to the current median ask.

-1.6% 3m-3.1% 12m
Low ask
$510
Median ask
$630
High ask
$680
Asks in snapshot
8

This snapshot

Individual asks

Figures are converted to US dollars for comparison. Confirm currency, tax, and shipping on the marketplace. Lugfolio does not sell the watch.

Marketplace search for Seiko SPB121. If a site does not pre-fill the query, paste the reference into its search.

Also on the desk

Nearby references