Seiko Cal. 6658 - 938

The 6658-938 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2516f2ea11c0]

Also known as: Helmet, Emperor

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1974

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