Seiko Cal. 4540 - 828

Released in 1985, the Cal. 4540 with design code 828 was part of Seiko's domestic market collection. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-23acf46ac9a3]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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