Seiko Cal. 4420 - 485

The Seiko 4420-485 represents an important milestone in Seiko's 1985 lineup. It features a Silver dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-16e4d57183da]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1985

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