Seiko Cal. 4540 - 427

Released in 1982, the Cal. 4540 with design code 427 was part of Seiko's domestic market collection. Powered by the 4540 caliber with 21j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-5b468bd3b36f]

Also known as: Shogun, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1982

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