Seiko Cal. 4540 - 611

This Spring Drive model from 1987 features a 43mm PVD Black case. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-0ec253097b06]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1987

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