Seiko Cal. 6166 - 704

The Seiko 6166-704 represents an important milestone in Seiko's 1992 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-18fd19dd8a5f]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1992

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