Seiko Cal. 6643 - 712

The Seiko 6643-712 represents an important milestone in Seiko's 1986 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-d946c2cd40dd]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1986

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