Seiko Cal. 7147 - 427

The 7147-427 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7147 caliber with 26j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-3a3bda28fa67]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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