Automatic bi-compax chronograph movement with 34 jewels, part of Seiko's 8R series designed for maximum precision. Features vertical clutch and column wheel chronograph system. Used exclusively in Seiko Prospex Speedtimer line.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
34 jewels
Power Reserve
45h
Frequency
28,800 vph (4 Hz)
Display Type
Analog
Rotor Type
Ball Bearing
Winding
Automatic (Unidirectional)
Shock Protection
Diashock
COMPLICATIONS
FEATURES
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
8RCOUNTRY
JapanALSO KNOWN AS
FOR WATCH DEALERS
Sell watches powered by the 8R46?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.
Watches with this movement
Seiko
Prospex
SBEC007
Seiko
Prospex
SBEC009
Seiko
Prospex
SBEC011
Seiko
Prospex
SBEC013
Seiko
Prospex
SBEC015
Seiko
Prospex
SBEC017
Seiko
Prospex
SBEC019
Seiko
Prospex SPEEDTIMER
SRQ035J1
Seiko
Prospex SPEEDTIMER
SRQ037J1
Seiko
Prospex SPEEDTIMER
SRQ039J1
Seiko
Prospex SPEEDTIMER
SRQ041J1
Seiko
Prospex
SRQ043J1
Seiko
Prospex SPEEDTIMER
SRQ045J1