Seiko Cal. 4423 - 967

The Seiko 4423-967 represents an important milestone in Seiko's 1999 lineup. Powered by the 4423 caliber with 32j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-12091d37b50a]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1999

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