Seiko Cal. 6689 - 436

The 6689-436 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-ec1de731ee19]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1980

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