Seiko Cal. 0784 - 604

The Seiko 0784-604 represents an important milestone in Seiko's 1976 lineup. Powered by the 0784 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-6dba24033886]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1976

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