Seiko Cal. 6634 - 369

The 6634-369 is a sought-after Spring Drive piece from Seiko's golden era. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-62b0eed768be]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

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