Seiko Cal. 6643 - 319

The Seiko 6643-319 represents an important milestone in Seiko's 1975 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-c1c4c31eb59b]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1975

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