Ref. 6638 3431 55B
Add to my inventory
Free account required - pre-fills all specs automatically
Last updated 12 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
CASE
Diameter
42mm
Thickness
11.5mm
Lug Width
23mm
Case Material
Platinum
Water Resistance
30m
MOVEMENT
Movement Type
Automatic
Caliber
3863
Power Reserve
72h
Frequency
21,600 vph (3 Hz)
Jewels
39 jewels
DIAL
Dial Color
White
BRACELET/STRAP
Bracelet/Strap
Alligator Skin
Clasp Type
Fold Clasp
FEATURES & COMPLICATIONS
DateDisplay backEquation of timeMoon phasePerpetual calendarSmall seconds
More from Blancpain
Blancpain
Ladybird Ultraplate
0062 1954F 52A
AutomaticWhite Gold
Blancpain
Ladybird Ultraplate
0062 1954G 52A
AutomaticWhite Gold
Blancpain
Ladybird Ultraplate
0063 1997 58A
AutomaticWhite Gold
Blancpain
Ladybird Ultraplate
0063A 1954 63A
AutomaticWhite Gold
Blancpain
Ladybird Ultraplate
0063A 2954 63A
AutomaticRed Gold
Blancpain
Ladybird Ultraplate
0063B 1954 63A
AutomaticWhite Gold
Blancpain
Ladybird Ultraplate
0063B 2954 63A
AutomaticRed Gold
Blancpain
Ladybird Ultraplate
0063C 2987 63A
AutomaticRed Gold
Other watches with the 3863 calibre
FOR WATCH DEALERS
Trading the Blancpain Villeret Équation du Temps Marchante?
Clone any catalog watch into your stock, sync it to Chrono24 and eBay, and invoice it with your own tax settings.