Second Generation (Matte Dial, Trapezoid Markers)
Memovox Polaris / Memovox Plongeur E 859 — Second Generation (Matte Dial, Trapezoid Markers)
1966–1971
Matte black dial with trapezoid tritium hour markers and baton hands only; the basis of the 2018 Polaris.
1,714 pieces in total, most of them second generation.
No verified image of this watch yet
Identifying details
- Alarm
Audible alarm.
- Date
Date display.
- Compressor (snap-back) case
EPSA snap-back case whose gaskets tighten as water pressure rises; Heuer added “C” to the reference.
- Three crowns
Separate crowns for time/date, inner bezel and alarm.
Variants of E 859
Reference overview →| Variant | Production |
|---|---|
| First Generation (Glossy Dial) | 1965 |
| Second Generation (Matte Dial, Trapezoid Markers)Current | 1966–1971 |
| Second Generation (Matte Dial, Trapezoid Markers) · LeCoultre Signed (US Market) | Undated |
| Second Generation (Matte Dial, Trapezoid Markers) · Tropical Dial | Undated |
Case & movement
- Reference
- E 859
- Production
- 1966–1971
- Case material
- Stainless steel
- Case diameter
- 42 mm
- Water resistance
- 200 m
- Movement
- Automatic
- Date
- Yes
- Caliber
- Jaeger-LeCoultre 825
Dial, bezel & hands
Movement
Jaeger-LeCoultre 825
Calibre 815 with a date module; bumper winding and hammer alarm. Used in the Memovox, Polaris and Memovox GT. Marked K825.
Automatic · 18,000 vph · 17 jewels · 55 h reserve