Seiko Cal. 6170 - 690

The Seiko 6170-690 represents an important milestone in Seiko's 1987 lineup. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-633c0dfe1909]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1987

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