Seiko Cal. 4428 - 104

The Seiko 4428-104 represents an important milestone in Seiko's 1985 lineup. Powered by the 4428 caliber with 35j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-34c54dc84a3f]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1985

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