Seiko Cal. 4551 - 613

Released in 1966, the Cal. 4551 with design code 613 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-abc2c8593621]

Also known as: Helmet, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1966

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