Seiko Cal. 4420 - 988

Seiko 4420-988

The Seiko 4420-988 represents an important milestone in Seiko's 1979 lineup. Powered by the 4420 caliber with 34j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-6a9f9b9ea83f]

Also known as: Turtle, Flighty

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Silver
Jewels
34j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1979

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