Seiko Cal. 4428 - 611

Seiko 4428-611

The 4428-611 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4428 caliber with 31j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-7e4e4b10675b]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1980

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