Seiko Cal. 6643 - 806

The Seiko 6643-806 represents an important milestone in Seiko's 1996 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-83a9ffbbd251]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1996

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