NOMOS Glashütte - Zürich Datum Ref.802 的機芯應該是ζ(zeta), 而非ε(epsilon)...
Zürich Datum Ref.802規格如下~ Data Movement: ζ (zeta)—manufactory caliber with automatic movement and date indicator, black gold Case: stainless steel, octopartite; domed sapphire crystal glas; diameter 39.7 mm; sapphire crystal glass back, height 9.65 mm; fixed with six screws Dial: galvanized, white silver-plated, rhodium-plated brass applique Hands: brass, rhodium-plated, faceted
ζ(zeta)機芯相關資料如下~ Data Movement: ζ (zeta)—manufactory caliber with automatic winding and date indicator Diameter: 31 mm (13 ¾ lines) Movement height: 4.3 mm Jewels: 26 rubies Power reserve: ca. 42 hours
Characteristics: patented date mechanism; bidirectional winding rotor; stop-seconds mechanism; Glashütte three-quarter plate and Glashütte stopwork; Triovis fine adjustment regulator (adjusted in six positions); balance spring made from Nivarox 1A; Incabloc shock protection; tempered blue screws; Glashütte sunburst on ratchet and crown wheel; rhodium-plated movement surfaces with Glashütte ribbing and NOMOS perlage
(Inside Zürich, Zeta can be found in black gold—an elegant, dark gray alloy with a high percentage of gold.)