Seiko Cal. 0734 - 620

The Seiko 0734-620 represents an important milestone in Seiko's 1979 lineup. Powered by the 0734 caliber with 34j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-5989245a346f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1979

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