Seiko Cal. 4429 - 842

The Seiko 4429-842 represents an important milestone in Seiko's 1988 lineup. Powered by the 4429 caliber with 20j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-66e5a0135d4c]

Also known as: Sumo, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1988

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