PIONEER PERPETUAL CALENDAR
Reference 3800-1200, steel model, midnight-blue fumé dial, black alligator leather strap
Case
Solid steel case
Diameter: 42.8 mm, height without sapphire crystal: 11.3 mm
Curved sapphire crystal and see-through case-back
Screw-in crown adorned with an “M”
Water-resistant to 120 metres
Dial
Midnight-blue fumé with sunburst pattern
Applique indices, with hour markers in Superluminova®
Flange with fluted structure
Hands
Leaf-shaped, partially skeletonised
Superluminova® luminescent elements on hands
Movement
HMC 800 hand-wound calibre
Diameter: 34.0 mm or 15 lignes, height: 6.3 mm
Frequency: 18,000 Vib/h
32 jewels
Power reserve: minimum 7 days
Hacking seconds
Double barrel
Interchangeable Moser escapement
Original Straumann Hairspring® with stabilised Breguet overcoil
Pallet fork and escapement wheel made from gold
Movement and components hand-finished and decorated
Functions
Perpetual "Flash Calendar" display
Big date display
Month indicator via central hand
Hours and minutes
Small second
Power reserve indicator on dial
Leap year cycle indicator on movement side
Strap
Black alligator leather strap
Steel pin buckle, with engraved H. Moser & Cie. logo