Seiko Cal. 6351 - 650

The Seiko 6351-650 represents an important milestone in Seiko's 1989 lineup. With its 20mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-7c07cc82a33d]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1989

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