Seiko Cal. 4420 - 986

Released in 1975, the Cal. 4420 with design code 986 was part of Seiko's domestic market collection. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-a4ab4f42eb15]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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