Seiko Cal. 4430 - 610

Seiko 4430-610

The 4430-610 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4430 caliber with 35j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-e25f218cdeaf]

Also known as: Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Champagne
Jewels
35j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1978

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