Seiko Cal. 5658 - 911

The Seiko 5658-911 represents an important milestone in Seiko's 1966 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-c214950c6048]

Also known as: Helmet, Goldfeather

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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