Seiko Cal. 4540 - 999

Released in 1991, the Cal. 4540 with design code 999 was part of Seiko's domestic market collection. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-297af11cc620]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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