Seiko Cal. 6670 - 321

The Seiko 6670-321 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-6d3ac290d0aa]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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