Specifications
- Reference
- 6451-02
- Family
- M2
- Category
- Tool
- Status
- Current
- Case material
- Titanium
- Case diameter
- 46.5 mm
- Case thickness
- 16 mm Official
- Lug-to-lug
- —
- Lug width
- —
- Water resistance
- 300 m
- Bezel
- —
- Calibre
- Tutima 521 Official
- Power reserve
- 48 h
Official product page · retrieved October 22, 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 |
|---|---|---|---|
| 16 mm | Official | Tutima Glashütte | October 22, 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 Tutima Glashütte · retrieved October 22, 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.
- 6451-03 · Pioneer 6451-03
Other M2 references
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| M2 Mara Safari Chronograph 46.5 mm 6451-53 | 46.5 mm | 16 mm | — | Tutima 310 |
| M2 Chronograph 46 mm 6450-02 | 46 mm | 15.5 mm | — | Tutima 521 |
| M2 Seven Seas 44 mm 6151-01 | 44 mm | 13 mm | — | Tutima 330 |
| M2 Seven Seas S 44 mm 6155-02 | 44 mm | 13 mm | — | Tutima 330 |
| M2 Coastline 43 mm 6150-02 | 43 mm | 12.9 mm | — | Tutima 330 |
| M2 Seven Seas S 40 mm (uncoated, 13 mm high) 6156-13 | 40 mm | 13 mm | — | Tutima 330 |
Other Tutima Glashütte models
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Flieger Automatic 41.5 mm 6115-03 | 41.5 mm | 12.8 mm | — | — |
| Sky Automatic 41 mm 6105-20 | 41 mm | 13 mm | — | Tutima 330 |
| Grand Airport Chronograph 43 mm 6401-01 | 43 mm | 16 mm | — | Tutima 320 |
| Seven Seas S 40 mm 6156-30 | 40 mm | 12.5 mm | — | Tutima 330 |
| Seven Seas S 40.2 mm 6156-27 | 40.2 mm | 12.5 mm | — | Tutima 330 |
| Grand Chronograph 41 mm 6407-05 | 41 mm | 16 mm | — | Tutima 310 |
Show 7 more
| Watch | Ø | Thickness | Lug-to-lug | Calibre |
|---|---|---|---|---|
| Saxon One 43 mm 6422-01 | 43 mm | 15.7 mm | — | Tutima 521 |
| Patria 41 mm 6612-01 | 41 mm | 11.2 mm | — | Tutima 617 |
| Grand Automatic 41 mm 6105-01 | 41 mm | 13 mm | — | Tutima 330 |
| Lady 36 mm 6700-03 | 36 mm | 10.7 mm | — | Tutima 340 |
| Saxon One Lady 36 mm 6700-01 | 36 mm | 10.7 mm | — | Tutima 340 |
| Saxon One Lady S 34 mm 6702-01 | 34 mm | 9 mm | — | Tutima 140 |
| Saxon One M Automatic 40 mm 6121-01 | 40 mm | 11.5 mm | — | Tutima 330 |