Seiko Cal. 4420 - 367

The Seiko 4420-367 represents an important milestone in Seiko's 1997 lineup. Powered by the 4420 caliber with 33j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-025a4ba263e5]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1997

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