Seiko Cal. 0777 - 979

The 0777-979 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0777 caliber with 36j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-8e782c737441]

Also known as: Goldfeather, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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