Seiko Cal. 7147 - 642

Seiko 7147-642

The Seiko 7147-642 represents an important milestone in Seiko's 1981 lineup. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-a092408e9c34]

Also known as: Navigator

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
35mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1981

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