Seiko Cal. 4420 - 890

This Hand-Winding model from 1991 features a 46mm Two-Tone case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-897d8706c3a6]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1991

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