Seiko Cal. 6173 - 691

Released in 1980, the Cal. 6173 with design code 691 was part of Seiko's domestic market collection. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-71a1cf2cc474]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1980

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