====== Zeno Pilot Oversized Automatik Observer ======
{{wst>image_r|Zeno_Pilot_Oversized_Automatik_Observer_8554OB-a1|Zeno Pilot Oversized Automatik Observer}}
**Pilot Oversized Automatik Observer** is a [[pilot's watch]] by [[Zeno]].

Extra-large pilot's watch with date and day of week indication. The special feature of this model is the outer, large minute display.


<WRAP ud ud_mod>

**Reference:**
  * 8554OB-a1

**Movement: **
  * Mechanical [[self-winding]] movement [[ETA 2846]], 21,600 A/h
  * [[Glucydur]] [[balance wheel]], [[Nivarox]] [[balance spring]], Nivaflex [[mainspring]]
  * 25 [[jewels]]
  * Power reserve 49h
  * Incabloc [[shock protection]]
  * Engraved ball-bearing [[rotor]] with heavy metal rim
  * Individually numbered, [[chronometer]] with official [[COSC]] certification

**Case:**
  * Tripartite [[stainless steel]] construction (316L) with non-reflecting matt finish
  * D 47.5 mm, H 15 mm 
  * Hardened [[mineral glass]] ([[domed]])
  * Screw-in [[stainless steel]] caseback with sight glass
  * Grippy special crown (with double O-seals)
  * [[Shock proof]] according to DIN 8308
  * [[Anti-magnetic]] DIN 8309
  * [[Waterproof]] to 30 m (3 ATM) geprüft according to DIN 8310

**Functions:**
  * Hours, minutes, [[central seconds]] (not stoppable), day of week, date

**Dial:**
  * Black, large luminous digits
  * Minutes display is outside, hours display inside
  * Skeleton hands with inactive, environmentally friendly [[luminous coating]]

**Bracelet: **
  * Calf leather strap black or brown with pin-buckle in steel
</WRAP>

{{tag>Watch_models Zeno_models}}