Seiko Cal. 6642 - 789

Seiko 6642-789

The Seiko 6642-789 represents an important milestone in Seiko's 1998 lineup. Powered by the 6642 caliber with 23j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-141ba7fdd979]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
44mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1998

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seikata-wm-141ba7fdd979