Seiko Cal. 4420 - 429

The Seiko 4420-429 represents an important milestone in Seiko's 1972 lineup. Powered by the 4420 caliber with 17j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-9728c7aecf4b]

Also known as: Panda, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1972

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