Seiko Cal. 6686 - 722

The Seiko 6686-722 represents an important milestone in Seiko's 1973 lineup. Powered by the 6686 caliber with 35j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-0199ed60641c]

Also known as: Monster, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1973

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