Seiko Cal. 6637 - 919

The 6637-919 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-7e823889ac23]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1979

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