Seiko Cal. 4420 - 334

The 4420-334 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-ab13ae5e2562]

Also known as: Bullhead, World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1986

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