Seiko Cal. 6686 - 412

The Seiko 6686-412 represents an important milestone in Seiko's 1966 lineup. Powered by the 6686 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-7253c537aab2]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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