Seiko Cal. 4410 - 721

Seiko 4410-721

The 4410-721 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-cc59b82787b1]

Also known as: Tuna, Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1971

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