Seiko Cal. 6683 - 730

This Quartz model from 1969 features a 45mm Stainless Steel case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-d4f839970790]

Also known as: Silverwave, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1969

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