Seiko Cal. 6680 - 412

The 6680-412 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-73e12cc63bc5]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1981

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