Seiko Cal. 6686 - 915

The Seiko 6686-915 represents an important milestone in Seiko's 1975 lineup. Powered by the 6686 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-5e73c4315ba4]

Also known as: UFO, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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