Seiko Cal. 7189 - 427

The 7189-427 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7189 caliber with 33j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-061894eb4bc0]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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