Seiko Cal. 0770 - 978

Released in 1967, the Cal. 0770 with design code 978 was part of Seiko's domestic market collection. Powered by the 0770 caliber with 26j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-cb6da214a09c]

Also known as: Goldfeather, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

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