Seiko Cal. 6640 - 319

The 6640-319 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-e7a6656f67ff]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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