Seiko SPB121J1
Prospex Alpinist · « Alpinist »
Median observed for this reference
€515
Typical range: €438 – €587
How this valuation is calculated
Median of 8 asking prices recorded for the exact SPB121J1 (sources: watchrecon); half lie between €438 – €587.
That is -36% below the retail price (€800 in 2025).
Your value also depends on year, condition, box and papers: the valuation takes them into account.
Specifications
- Retail price
- €800 (2025)
- Diameter
- 39.5 mm
- Case material
- acier
- Dial
- vert
- Bracelet
- cuir
- Calibre
- 6R35 · automatic
- Power reserve
- 70 h
- Water resistance
- 200 m
- Production
- since 2020
Référence ou prix à confirmer : valeur prudente issue de la connaissance éditoriale.
Is this SPB121J1 price fair?
The price of a Seiko Prospex spotted in a listing, compared with its value.
Ask the watchmaker — Seiko Prospex SPB121J1
Answers based on our pages and observations, with sources. Indicative: neither a buy-back offer nor an authentication.