Seiko Cal. 6699 - 137

The 6699-137 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-18b9004701fd]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1973

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