Seiko Cal. 4471 - 424

This Spring Drive model from 1975 features a 39mm PVD Black case. Powered by the 4471 caliber with 21j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-c36fcd59c791]

Also known as: Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1975

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