Seiko Cal. 4499 - 761

The Seiko 4499-761 represents an important milestone in Seiko's 1980 lineup. Powered by the 4499 caliber with 21j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1fe6933f7fc8]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1980

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