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IWC IW371605

IWC

IWC Portugieser Chronograph IW371605

What Japanese dealers are asking for a pre-owned IWC Portugieser Chronograph IW371605, a model from 2020, and how to buy one in Japan.

Typical asking price in Japan

¥929,000 ≈ US$5,860

Range ¥868,000–¥1,020,600 from 6 dealer listings, including Japan's 10% consumption tax. Checked 2026-11-02.

Steel, silver dial with blue hands; the gold-accent IW371617 lists at about ¥0.9M to ¥1.05M.

What it costs to bring home · Example listing

Reading a Japanese listing for this watch

保証書 / ギャラ hoshōsho / gyara
Warranty card or papers. ギャラ comes from 'guarantee'.
箱・保証書付き (箱保付き) hako hoshōsho tsuki
Comes with the box and papers.
国内正規品 kokunai seiki-hin
First sold by an official dealer in Japan.
並行輸入品 heikō yunyū-hin
Grey-market import, first sold outside the official network.
OH済 / オーバーホール済 ōbāhōru zumi
Serviced (overhauled) before sale. Ask when and by whom.
新品仕上げ済 shinpin shiage zumi
The case has been polished.
未研磨 mi-kenma
Never polished, so the case keeps its original edges.
純正 / 社外 junsei / shagai
Original manufacturer part / aftermarket part (often the strap or crystal).

More in our guide to Japanese listing terms.

Where to look

Licensed shops that list IWC among their specialities:

Related models

Prices are what Japanese dealers ask on their own websites, not auction or buyback prices. Condition, papers and dial variant can move a price a lot. See all models in the Japan price guide.