Seiko Cal. 6689 - 186

The Seiko 6689-186 represents an important milestone in Seiko's 1977 lineup. Powered by the 6689 caliber with 36j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-587a5216bae1]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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