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74

Ebel

Ref. 4136901

An important and uncommon platinum perpetual calendar chronograph wristwatch with moon-phase

- Ebel introduced its first perpetual calendar chronograph in 1985, powered by the high-frequency Zenith El Primero. It was likely the first wristwatch of its kind: self-winding, high-beat (5 Hz), and packing a full perpetual calendar and chronograph.

- The present Ebel Perpetual Calendar Chronograph features a platinum case with a pale grey textured non-luminous dial, accented by silvered Roman numerals. Four sub-dials organize the calendar and chronograph displays, with a moon-phase tucked neatly at six o’clock.

- The platinum version was offered only by special request, and it's exceptionally rare. According to our research, only two others have surfaced publicly at auction.

- Beyond its material rarity and complications, this watch delivers peak 1980s/1990s Ebel design: a complex case with five bezel screws, a hexagonal crown, mushroom pushers, an integrated strap system, and a tachymeter scale along the inner rehaut.