Seiko Cal. 5689 - 644

The Seiko 5689-644 represents an important milestone in Seiko's 1965 lineup. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-a4cdbb004067]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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