Seiko Cal. 6612 - 678

This Hand-Winding model from 1970 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-c0a3bbeee001]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1970

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