Seiko Cal. 6658 - 746

The Seiko 6658-746 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-5c7c2023a455]

Also known as: Bullhead, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

38mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1982

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