Seiko Cal. 6687 - 405

Released in 1996, the Cal. 6687 with design code 405 was part of Seiko's domestic market collection. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-a9a3d5dc26ae]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1996

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