Seiko Cal. 6677 - 647

Seiko 6677-647

This Spring Drive model from 1980 features a 36mm Gold-Plated case. Powered by the 6677 caliber with 34j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-7ec272cd975f]

Also known as: Silverwave, Crown

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
150m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1980

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seikata-wm-7ec272cd975f