Seiko Cal. 6363 - 820

The Seiko 6363-820 represents an important milestone in Seiko's 1986 lineup. Powered by the 6363 caliber with 20j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-c1199aa7b7ec]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1986

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