Seiko Cal. 7042 - 711

The 7042-711 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7042 caliber with 24j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-c8375033e427]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1971

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