Seiko Cal. 5651 - 722

This Spring Drive model from 1970 features a 43mm Two-Tone case. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-68fa33044a0d]

Also known as: Navigator, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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