Seiko Cal. 4518 - 820

Released in 1971, the Cal. 4518 with design code 820 was part of Seiko's domestic market collection. Powered by the 4518 caliber with 28j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-d1dafa1afaf7]

Also known as: Shogun, Flighty

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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