Seiko Cal. 6642 - 812

Seiko 6642-812

The Seiko 6642-812 represents an important milestone in Seiko's 1991 lineup. Powered by the 6642 caliber with 28j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-e2b2187fb996]

Also known as: Sea Horse, Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
34mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1991

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