Seiko Cal. 6646 - 503

The Seiko 6646-503 represents an important milestone in Seiko's 1985 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-a5dfd8d4630c]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1985

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