Seiko Cal. 4510 - 186

Released in 1974, the Cal. 4510 with design code 186 was part of Seiko's domestic market collection. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-388ea96731df]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1974

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