Seiko Cal. 6687 - 845

Released in 1978, the Cal. 6687 with design code 845 was part of Seiko's domestic market collection. With its 22mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-fa5adbb03321]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1978

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