Seiko Cal. 4431 - 535

Seiko 4431-535

The 4431-535 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4431 caliber with 34j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-4ac643f0f048]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Champagne
Jewels
34j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1986

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