Seiko Cal. 4474 - 977

The 4474-977 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4474 caliber with 18j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-d462a633d6cc]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1984

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