IWC Schaffhausen · Pilot's Watches
IWC Schaffhausen Pilot's Watch Chronograph 41 TOP GUN Ceratanium
Reference IW388106 · Chronograph · 41 mm
Specifications
- Reference
- IW388106
- Family
- Pilot's Watches
- Category
- Chronograph
- Status
- Current
- Case material
- Titanium
- Case diameter
- 41 mm
- Case thickness
- 14.5 mm Official
- Lug-to-lug
- —
- Lug width
- 20 mm Official
- Water resistance
- 100 m
- Bezel
- —
- Calibre
- 69385 Official
- Power reserve
- 46 h
- Frequency
- 28,800 vph (4 Hz)
Official product page · retrieved October 16, 2026
Does it fit your wrist?
Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.
No lug-to-lug figure exists for this reference yet, so fit cannot be computed.
Measurements and sources
Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.
Case thickness
| Value | Type | Source | Date |
|---|---|---|---|
| 14.5 mm | Official | IWC | October 16, 2026 |
Lug-to-lug
No source gave this figure yet.
Lug width
Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.
| Value | Type | Source | Date |
|---|---|---|---|
| 20 mm | Official | IWC | October 16, 2026 |
Calibre source
Official IWC · retrieved October 16, 2026
Other versions in the same case
These references differ only by dial, bracelet or bezel colour. The brand gives them the same case dimensions, so the figures on this page apply to them too.
Other Pilot's Watches references
Other IWC Schaffhausen models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Portugieser Chronograph Ceratanium IW371631 | 41 mm | 13 mm | — | 69355 |
| Portugieser Chronograph (18 ct 5N gold) IW371611 | 41 mm | 13 mm | — | 69355 |
| Portugieser Chronograph (18 ct white gold) IW371626 | 41 mm | 13 mm | — | 69355 |
| Portugieser Chronograph (steel) IW371604 | 41 mm | 13 mm | — | 69355 |
| Portofino Chronograph (18 ct 5N gold, calibre 75320) IW391035 | 42 mm | 13.6 mm | — | 75320 |
| Portofino Chronograph (18 ct 5N gold, calibre 79320) IW391025 | 42 mm | 13.6 mm | — | 79320 |