Seiko Cal. 4420 - 700

The Seiko 4420-700 represents an important milestone in Seiko's 1972 lineup. Powered by the 4420 caliber with 30j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-70b214020c7b]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

30j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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