Seiko Cal. 6654 - 172

The Seiko 6654-172 represents an important milestone in Seiko's 1970 lineup. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-8822edb35e67]

Also known as: Bullhead, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

46mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1970

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