Seiko Cal. 5684 - 434

The Seiko 5684-434 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-6634b3a11380]

Also known as: UFO, Flighty

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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