Seiko Cal. 4490 - 681

Seiko 4490-681

The 4490-681 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-6bd8e8056d06]

Also known as: Tuna, Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1985

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seikata-wm-6bd8e8056d06