Seiko Cal. 7155 - 901

The 7155-901 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7155 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-9c9b442ee7d1]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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