Seiko Cal. 4420 - 729

The 4420-729 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-c927e5ee3aee]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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