Seiko Cal. 6648 - 820

The Seiko 6648-820 represents an important milestone in Seiko's 1993 lineup. Powered by the 6648 caliber with 25j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-0550b8399272]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1993

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