Seiko Cal. 6648 - 940

The Seiko 6648-940 represents an important milestone in Seiko's 1988 lineup. Powered by the 6648 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-55d6b867baad]

Also known as: Emperor, Arnie

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1988

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