Seiko Cal. 0740 - 558

The Seiko 0740-558 represents an important milestone in Seiko's 1996 lineup. Powered by the 0740 caliber with 18j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-26be1b89499e]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1996

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