Seiko Cal. 6643 - 353

The Seiko 6643-353 represents an important milestone in Seiko's 1995 lineup. Powered by the 6643 caliber with 33j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-7f69a671338d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1995

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