Seiko Cal. 4551 - 175

Released in 1973, the Cal. 4551 with design code 175 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-4de6fd5e3beb]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1973

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