Seiko Cal. 4540 - 441

Released in 1969, the Cal. 4540 with design code 441 was part of Seiko's domestic market collection. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-974361be53fd]

Also known as: Shogun, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1969

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