Seiko Cal. 6138 - 685

The Seiko 6138-685 represents an important milestone in Seiko's 1965 lineup. With its 18mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-64919efbb8bc]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1965

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