Seiko Cal. 6649 - 709

This Spring Drive model from 1989 features a 41mm PVD Black case. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-94370f6d1f7e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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