Seiko Cal. 4421 - 997

The 4421-997 is a sought-after Solar piece from Seiko's golden era. Powered by the 4421 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-1c2011357824]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1989

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