Seiko Cal. 4411 - 635

The 4411-635 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4411 caliber with 28j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-643c6bd2fd09]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1992

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