Seiko Cal. 6643 - 351

The Seiko 6643-351 represents an important milestone in Seiko's 1994 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-fd818d1bd8b6]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1994

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