Specifications
- Reference
- 30.1865.0135/56.C216
- Family
- G.F.J.
- Category
- Classic
- Status
- Current
- Case material
- 18 ct yellow gold
- Case diameter
- 39 mm
- Case thickness
- 10.5 mm Official
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 50 m
- Bezel
- —
- Calibre
- Calibre 135 Official
- Power reserve
- about 72 h
- Frequency
- 18,000 vph (2.5 Hz)
Official product page · retrieved October 18, 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 |
|---|---|---|---|
| 10.5 mm | Official | Zenith | October 18, 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.
No source gave this figure yet.
Calibre source
Official Zenith · retrieved October 18, 2026
Other G.F.J. references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| G.F.J. (platinum) 40.1865-2.0135/01.C220 | 39 mm | 10.5 mm | — | Calibre 135 |
Other Zenith models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Chronomaster Solo Sport 03.5000.3620/21.M5000 | 40 mm | 13.13 mm | — | El Primero 3620 |
| Pilot Automatic (ceramic) 49.4000.3620/21.I001 | 40 mm | 12.85 mm | — | El Primero 3620 |
| Pilot Automatic (steel) 03.4000.3620/21.I001 | 40 mm | 12.85 mm | — | El Primero 3620 |
| DEFY Skyline (steel, 41 mm) 03.9300.3620/01.I001 | 41 mm | 11.6 mm | — | El Primero 3620 |
| DEFY Skyline Skeleton (18 ct rose gold) 18.9300.3630/78.I001 | 41 mm | 12.2 mm | — | El Primero 3630 |
| DEFY Skyline Skeleton (ceramic) 49.9300.3620/07.I001 | 41 mm | 11.6 mm | — | El Primero 3620 |