Seiko Cal. 4530 - 688

The Seiko 4530-688 represents an important milestone in Seiko's 1971 lineup. With its 18mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-2baae8aee73a]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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