Seiko Cal. 6643 - 913

The Seiko 6643-913 represents an important milestone in Seiko's 1993 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-621762570ed2]

Also known as: Sea Horse, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1993

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