Seiko Cal. 6168 - 691

The Seiko 6168-691 represents an important milestone in Seiko's 1978 lineup. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-affc8ab980f7]

Also known as: Sumo, Panda

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1978

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