Seiko Cal. 6641 - 496

The Seiko 6641-496 represents an important milestone in Seiko's 1991 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-d2997f8ed900]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1991

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