Seiko Cal. 4421 - 862

The 4421-862 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4421 caliber with 30j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-13aae9621cb5]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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