Seiko Cal. 5691 - 416

Released in 1987, the Cal. 5691 with design code 416 was part of Seiko's domestic market collection. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5600a9cea5bb]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1987

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