Seiko Cal. 6640 - 514

Released in 1985, the Cal. 6640 with design code 514 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-9d43f9cd08fa]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1985

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