Seiko Cal. 6643 - 897

The Seiko 6643-897 represents an important milestone in Seiko's 1981 lineup. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-abdbb1c3a882]

Also known as: Panda, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1981

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