Seiko Cal. 6677 - 978

The 6677-978 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6677 caliber with 26j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-5eef1dfa5425]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1985

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