Seiko Cal. 4551 - 630

The Seiko 4551-630 represents an important milestone in Seiko's 1973 lineup. It features a Cream dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-1cf23c748a3d]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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