Seiko Cal. 5247 - 820

The Seiko 5247-820 represents an important milestone in Seiko's 1973 lineup. Powered by the 5247 caliber with 26j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-31d724738a48]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1973

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