Seiko Cal. 7136 - 558

The 7136-558 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7136 caliber with 26j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-f87a34816f19]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1984

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