Seiko Cal. 5657 - 286

Released in 1985, the Cal. 5657 with design code 286 was part of Seiko's domestic market collection. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-d7fd3dc1ad71]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1985

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