Seiko Cal. 4540 - 125

The Seiko 4540-125 represents an important milestone in Seiko's 1971 lineup. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-35b135d48ea9]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1971

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