



Pilot's Watch Chronograph Staffel 11
REF. IW3891-12
1/10
Widely producedCase
Dial
In Context
At 44.5 mm it is a large watch — well above this catalogue’s 40 mm median, and enough to dominate a narrow wrist. At 15.7 mm it is a tall case, and it will catch on a cuff. The case back is closed, so the movement stays out of sight, and the sapphire crystal will resist everything short of deliberate abuse. 60 m covers rain and hand-washing comfortably; it is not a watch to swim in.
The movement winds itself from the motion of your wrist. 46 hours of reserve carries it overnight, but not through a weekend in a drawer. At 28,800 vph the seconds hand advances 8 times a second.
IW3891-12 is one of 11 executions of the IW3891 base reference. Underneath they are the same watch; what separates this one is a black matte dial and a titanium, ceramic case. It was a limited edition. Beyond the time it carries a chronograph.
The IW3891 family
IW3891-12 is one of 11 variants sharing the IW3891 base reference — same watch underneath, different dial, bezel, or bracelet execution. Browse the others:

IWC
Black · Titanium, Ceramic
IW3891-01 · 44.5 mm

IWC
Brown · Titanium, Ceramic
IW3891-03 · 44.5 mm

IWC
Black · Ceramic, Ceratanium
IW3891-04 · 44.5 mm

IWC
Black · Titanium, Ceramic
IW3891-05 · 44.5 mm

IWC
Green · Ceramic, Ceratanium
IW3891-06 · 44.5 mm

IWC
Black · Ceramic, Ceratanium
IW3891-07 · 44.5 mm

IWC
Black · Titanium, Ceramic
IW3891-08 · 44.5 mm

IWC
Blue · Titanium, Ceramic
IW3891-09 · 44.5 mm
+ 2 more variants in this family.
Inside: Caliber 69380
Explore this caliber →The 69380 is IWC's in-house chronograph with a day and date for the larger Pilot's Chronographs of 2019 onward. It sits in the 43 mm and 44.5 mm cases, including the Top Gun and Spitfire editions. It powers 22 watches in this library. It belongs to the 69000 family that replaced the Valjoux-based movements from 2016: a column wheel, a pawl-winding system related to the Pellaton mechanism, a 46-hour reserve at 28,800 vph and 33 jewels, at 30 mm across and 7.9 mm high, with the day and date at 3 o'clock. In the library it powers 21 [Pilot's Watch](/brands/iwc/pilot) references, the Top Gun chronographs in ceramic and Ceratanium at 44.5 mm, the Spitfire at 41 mm and the Chronograph 43, and one [Ingenieur](/brands/iwc/ingenieur). 10 are limited editions. The [69385](/calibers/iwc-69385) is the same movement in the 41 mm Pilot's Chronograph, the [69375](/calibers/iwc-69375) its Ingenieur version, and the [79320](/calibers/iwc-79320) the Valjoux 7750 it replaced.
21 other watches in the library run the IWC 69380.

IWC
Pilot's Watch Chronograph 41 George Russell
IW3894-11 · 41.9 mm

IWC
Pilot's Watch Chronograph Spitfire Stainless Steel / Black / Textile
IW3879-01 · 41.1 mm

IWC
Pilot's Watch Chronograph Spitfire Stainless Steel / Black / Calf
IW3879-03 · 41.1 mm

IWC
Pilot's Watch Chronograph Royal Maces
IW3891-07 · 44.5 mm
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