Seiko Cal. 4478 - 790

The Seiko 4478-790 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-68b397ae1164]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1982

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