Seiko Cal. 7148 - 742

Released in 1967, the Cal. 7148 with design code 742 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-de73ef0ea112]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1967

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