Seiko Cal. 4420 - 448

Released in 1989, the Cal. 4420 with design code 448 was part of Seiko's domestic market collection. Powered by the 4420 caliber with 31j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-13f4e6627845]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1989

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