Seiko Cal. 6688 - 680

Released in 1991, the Cal. 6688 with design code 680 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-aa0bf49dd1d9]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1991

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