Seiko Cal. 7140 - 636

Seiko 7140-636

This Automatic model from 1969 features a 38mm PVD Black case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-389109e4757a]

Also known as: Silverwave, Goldfeather

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1969

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seikata-wm-389109e4757a