Seiko Cal. 7142 - 491

Released in 1967, the Cal. 7142 with design code 491 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-a178b80a7fad]

Also known as: Helmet, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1967

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