Seiko Cal. 6643 - 743

The Seiko 6643-743 represents an important milestone in Seiko's 1990 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a57d2455bfe6]

Also known as: Panda, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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