Seiko Cal. 6643 - 453

The Seiko 6643-453 represents an important milestone in Seiko's 1984 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-1dd0ccde410a]

Also known as: Samurai, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1984

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