Seiko Cal. 6686 - 921

The Seiko 6686-921 represents an important milestone in Seiko's 1978 lineup. Powered by the 6686 caliber with 36j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-d05f66e36129]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1978

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