Seiko Cal. 6677 - 780

The Seiko 6677-780 represents an important milestone in Seiko's 1968 lineup. Powered by the 6677 caliber with 19j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-52aff230ba0b]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1968

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