Seiko Cal. 4423 - 478

This Kinetic model from 1980 features a 39mm Stainless Steel case. It features a Green dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-1c72b739d655]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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