Seiko Cal. 5661 - 222

The Seiko 5661-222 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d4f18b68540b]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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