Seiko Cal. 6631 - 519

The Seiko 6631-519 represents an important milestone in Seiko's 1985 lineup. With its 21mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-7760faf9365e]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1985

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