Seiko Cal. 7136 - 606

The Seiko 7136-606 represents an important milestone in Seiko's 1979 lineup. Powered by the 7136 caliber with 28j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-8c823bc32efb]

Also known as: Helmet, World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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