Rolex
Ref. -
Reference not legible from the provided photos - requires a clearer photo between the lugs or inside the caseback for confirmation. Manual-winding mechanical Rolex movement (Cal. 1600/1601 family, depending on reference), ~40-42h power reserve. Approx. 28x31mm 18K yellow gold case (excluding crown), smooth polished integrated bezel, sapphire crystal (some early Cellini references used mineral crystal), integrated 18K yellow gold Milanese mesh bracelet with folding clasp, champagne sunburst dial. Functions: hours and minutes. Estimated production 1970s-1980s. Not rated for modern water resistance - treat as not water-resistant unless recently serviced and pressure-tested.
Specifications