Seiko Cal. 6679 - 638

Released in 1993, the Cal. 6679 with design code 638 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-7546fa9dfe2c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1993

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