Seiko Cal. 6657 - 301

The Seiko 6657-301 represents an important milestone in Seiko's 1991 lineup. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-ca2cd9391de4]

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1991

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