Seiko Cal. 6677 - 731

Released in 1978, the Cal. 6677 with design code 731 was part of Seiko's domestic market collection. Powered by the 6677 caliber with 31j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-3841d2cf90df]

Also known as: Emperor, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1978

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