Seiko Cal. 6615 - 784

The Seiko 6615-784 represents an important milestone in Seiko's 1976 lineup. Powered by the 6615 caliber with 19j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-76c840676f6c]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1976

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