Seiko Cal. 6657 - 515

The Seiko 6657-515 represents an important milestone in Seiko's 1996 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-51a455392073]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1996

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