Seiko Cal. 6131 - 691

The Seiko 6131-691 represents an important milestone in Seiko's 1970 lineup. With its 18mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-72baa9623fc9]

Also known as: Pogue, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1970

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