Seiko Cal. 7136 - 176

The Seiko 7136-176 represents an important milestone in Seiko's 1979 lineup. Powered by the 7136 caliber with 18j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-4c2c68bd9061]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1979

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