Seiko Cal. 6186 - 317

The Seiko 6186-317 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-d54f3ae7f72d]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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