Seiko Cal. 7156 - 227

The 7156-227 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7156 caliber with 33j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-5f1248702fb7]

Also known as: Rally, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1976

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