Seiko Cal. 5658 - 391

Released in 1967, the Cal. 5658 with design code 391 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-141dc3cb676d]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1967

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