Seiko Cal. 6689 - 388

The 6689-388 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-c25db6be94ca]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1999

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