Seiko Cal. 7155 - 650

The 7155-650 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7155 caliber with 34j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-14833060691e]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

13.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1998

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