Seiko Cal. 4428 - 780

The 4428-780 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4428 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-8294e52ef43b]

Also known as: Shogun, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1998

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