Seiko Cal. 6331 - 680

The 6331-680 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-9b2fb79bec53]

Also known as: Tuna, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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