Seiko Cal. 6221 - 964

The Seiko 6221-964 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-06a81abab4db]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1967

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