Seiko Cal. 4411 - 634

The Seiko 4411-634 represents an important milestone in Seiko's 1990 lineup. Powered by the 4411 caliber with 23j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-aee646de7852]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1990

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