- Brand: OMEGA
- Year: 1939
- Model: Oversize sector
- Reference: CK 859
- Calibre: 36.5 SOB T2
- Movement: Manual
- Material: Stainless steel
- Features/complications: Oversized case and sector dial
- Dial: Two-tone silvered sector dial with outer minute track with strokes to 1/5th of a second featuring black printed baton shaped hour markers and Arabic quarters with blued steel sword shaped hands and subsidiary seconds at 6 o'clock
- Case dimensions: 37 mm
- Bracelet/strap: Leather strap
- Accessories: Extract from the Archives
- Web reference: 02882A
Essay: TBA