Seiko Cal. 4420 - 205

This Spring Drive model from 1986 features a 37mm Hardlex-Coated Steel case. Powered by the 4420 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-0eb5db3be17c]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1986

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