Seiko Cal. 6677 - 652

Seiko 6677-652

Released in 1977, the Cal. 6677 with design code 652 was part of Seiko's domestic market collection. Powered by the 6677 caliber with 20j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-a51a81e8e4bb]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
15.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Green
Jewels
20j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1977

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