Sinn Instrument Watches 104.012
The Sinn Instrument Watches 104.012 takes a 20 mm watch band.

Sinn · Instrument Watches
- Lug width
- 20 mm
- Case diameter
- 41 mm
- Reference
- 104.012
- Family
- Instrument Watches
- Case material
- Acciaio
- Model
- Pilot Watch 104 St Sa I W
- Year
- 2017
Bands that fit
Cut and stitched in Milano, in the width this watch takes.
Will a strap close on your wrist?
Set for this watch: 41 mm of case and 20 mm between the lugs. Add your wrist and see where a standard strap would close.
mm
Filled in with the case diameter, which is what we hold for this reference. Measure the watch tip to tip for the exact answer: it is usually a few mm more.
Enter your wrist measurement to see whether a standard 75/115 mm strap closes on you, and where.
Sizing notes
- 20 mm is the gap between the lugs, so a 20 mm band goes in without adapters. Whether it sits flush against a 41 mm case depends on how that case is shaped.
- Inside the Instrument Watches family the lug width is not one number: it runs 20, 22, 24 mm. This reference is the 20 mm one, so a band bought for another Instrument Watches may not fit it. Why the size changes inside a family →
- 20 mm is one of the common sizes: 15,081 of the 41,485 watches measured take it, which is why it is the width most bands are cut in. Every watch that takes 20 mm →
Other Instrument Watches references
- Pilot Watch 104 St Sa I104.010
20 mm - Pilot Watch 104 St Sa A104.011
20 mm - Pilot's Watch EZM 12112.010
22 mm - Pilot Watch 212 KSK212.050
24 mm - Series 240 St240.010
22 mm - Series 240 C St GZ240.011
22 mm
Hammered Pink Strap with Ecru Stitching
Natural Calfskin Rally Strap
Vintage Brown Calfskin Strap — Natural Patina
Black Saffiano Rubber Strap
Military Green Canvas & Brown Leather Strap




