Seiko Cal. 7155 - 727

The 7155-727 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7155 caliber with 35j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-afc98effaf34]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1999

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