Seiko Cal. 4420 - 813

The 4420-813 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5340d8e2517e]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1994

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