Seiko Cal. 6643 - 254

Released in 1999, the Cal. 6643 with design code 254 was part of Seiko's domestic market collection. It features a Silver dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-86a091170829]

Also known as: UFO, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1999

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