Seiko Cal. 4420 - 429

Seiko 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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