Seiko Cal. 6689 - 683

The 6689-683 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-eae16ebf7052]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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