Seiko Cal. 7156 - 164

The 7156-164 is a sought-after Solar piece from Seiko's golden era. Powered by the 7156 caliber with 22j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-edb798b18227]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1969

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