Calibre catalogue / Small calibre / KA50D
Click the movement to magnify it. Once zoomed, scroll to go closer and drag to move around.
KA50D fitting drawing (PDF)
Dimensions, stem height and hand fitting. Keyed to the base calibre, so sibling references share this drawing. Supplied for casing and fitting purposes only.
Small calibre
KA50D Hand-wound mechanical movement
K Series
KA50D has the following listed functions: Small seconds · Open-heart · Exposed balance. Its documented specifications are 23 mm diameter; 3.3 mm height; 21 jewels; 28,800 vph (4 Hz); 40 h power reserve; finish colour: Gunmetal.
- —Small seconds
- —Open-heart
- —Exposed balance
| Specification | |
|---|---|
| Size | 23 mm (0.906 in) |
| Height | 3.3 mm (0.130 in) |
| Jewels | 21 |
| Frequency | 28,800 vph (4 Hz) |
| Power reserve | 40 h |
| Finish colour | Gunmetal |
Check dimensions against the fitting drawing before tooling a case.
Every movement inspected · Individual QC certificate · Explore our quality checks
How to order
Prices on request. Samples available. Made to order, approximately 8–10 weeks. Finishing by Memorigin optional.
Same base calibre
Variants
KA00A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KA51D
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KA52A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KB00A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KB50A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
KB52A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h
More in Small calibre
- 2760ASmall calibre · 25 mm, 3.5 mm high, 19 jewels, 42 h power reserve
- 2780ASmall calibre · 25 mm, 3.5 mm high, 17 jewels, 42 h power reserve
- 278WASmall calibre · 25 mm, 3.5 mm high, 17 jewels, 42 h power reserve
- K100ASmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K110ASmall calibre · 23 mm, 5.6 mm high, 27 jewels, 40 h power reserve
- K150DSmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K151ASmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K151DSmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K200ASmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K250ASmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K250DSmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve
- K251DSmall calibre · 23 mm, 5 mm high, 26 jewels, 40 h power reserve