Seiko Cal. 6648 - 543

The Seiko 6648-543 represents an important milestone in Seiko's 1993 lineup. Powered by the 6648 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-abea65d8cb6d]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1993

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