Seiko Cal. 7140 - 628

Seiko 7140-628

The 7140-628 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7140 caliber with 27j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-063da0c3c435]

Also known as: Monster, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Champagne
Jewels
27j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1967

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seikata-wm-063da0c3c435