Seiko Cal. 6689 - 729

The 6689-729 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-75d4128e37c7]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1976

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