Seiko Cal. 6689 - 143

The 6689-143 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6689 caliber with 36j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-72aa5272ec8b]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1967

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