Calibre catalogue / Small calibre
24 references
Small calibres for slim and ladies’ watches
23–25 mm, for smaller cases.
Every calibre here is made by the Hangzhou manufacture and finished, checked and packed in our Hong Kong workshop before it ships. Each page carries the full specification and a fitting drawing; ask us for availability and pricing.
| Specification | |
|---|---|
| Size | 23–25 mm |
| Height | 3.3–5.6 mm |
| Jewels | 17–27 |
| Power reserve | 40–42 h |
| Winding | 12 automatic · 12 hand-wound |
| Skeletonised | 24 of 24 |
Functions in this collection
- —Small seconds (21)
- —Open-heart (21)
- —Exposed balance (21)
- —Automatic (12)
- —Skeletonised (7)
- —Centre seconds (1)
- —Hours and minutes (1)
- —24-hour indicator (1)
All references
Small calibre


2760A
Small calibre
Small seconds · Skeletonised
25 mm · 3.5 mm · 42 h


2780A
Small calibre
Centre seconds · Skeletonised
25 mm · 3.5 mm · 42 h


278WA
Small calibre
Hours and minutes · Skeletonised
25 mm · 3.5 mm · 42 h


K100A
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K110A
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5.6 mm · 40 h


K150D
Small calibre
24-hour indicator · Day/night indicator · Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K151A
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K151D
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K200A
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K250A
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K250D
Small calibre
Small seconds · Automatic · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K251D
Small calibre
Small seconds · Automatic · Skeletonised · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K252D
Small calibre
Small seconds · Automatic · Skeletonised · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


K263D
Small calibre
Automatic · Skeletonised · Open-heart · Exposed balance
24.6 mm · 5 mm · 40 h


K360D
Small calibre
Small seconds · Automatic · Skeletonised · Open-heart · Exposed balance
23 mm · 5 mm · 40 h


KA00A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.3 mm · 40 h


KA10A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.9 mm · 40 h


KA50D
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


KB10A
Small calibre
Small seconds · Open-heart · Exposed balance
23 mm · 3.9 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
Other collections
Tourbillon — Openworked
35 references
Tourbillon — Automatic
27 references
Tourbillon — Complicated
27 references
Tourbillon — Classic
21 references
Tourbillon — Twin barrel
17 references
Tourbillon — Double
4 references
Tourbillon — Central
2 references
Hand-wound
105 references
Extended reserve
102 references
Complication
34 references
Automatic
13 references