Seiko Cal. 6678 - 636

The 6678-636 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-febcbfa0c1a9]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1999

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