Seiko Cal. 6623 - 100

The Seiko 6623-100 represents an important milestone in Seiko's 1975 lineup. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-e46d99d0078c]

Also known as: Tuna, Panda

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1975

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