Seiko Cal. 7142 - 703

The Seiko 7142-703 represents an important milestone in Seiko's 1970 lineup. Powered by the 7142 caliber with 22j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-f3c84fb9dd49]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

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