Seiko Cal. 6658 - 400

The Seiko 6658-400 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-578b3a2f0a7b]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1981

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