Seiko Cal. 4428 - 780

Seiko 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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