Seiko Cal. 6623 - 918

The 6623-918 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-a90a569a2cd8]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1977

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