Seiko Cal. 6640 - 980

The 6640-980 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-075c14e0151a]

Also known as: Pogue

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1976

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