Seiko Cal. 6623 - 238

The Seiko 6623-238 represents an important milestone in Seiko's 1974 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5a3f25015e62]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1974

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