Seiko Cal. 6643 - 294

Released in 1966, the Cal. 6643 with design code 294 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-1843fbe93d66]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1966

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