Seiko Cal. 4427 - 243

The Seiko 4427-243 represents an important milestone in Seiko's 1998 lineup. Powered by the 4427 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-c125756a32a1]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1998

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