Seiko Cal. 7147 - 771

The Seiko 7147-771 represents an important milestone in Seiko's 1966 lineup. Powered by the 7147 caliber with 32j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-62f10ed373e6]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1966

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