Seiko Cal. 4420 - 336

The 4420-336 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-3975d0b95300]

Also known as: Bellmatic, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1987

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