Seiko Cal. 4420 - 103

The 4420-103 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4420 caliber with 18j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-08b56a93c771]

Also known as: Rally, Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1965

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