Seiko Cal. 4474 - 977

Seiko 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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