Seiko Cal. 4516 - 640

The 4516-640 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4516 caliber with 23j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-6a8116eea088]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1982

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