Seiko Cal. 4449 - 790

The 4449-790 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f5922a0718f4]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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