Seiko Cal. 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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