Seiko Cal. 5662 - 777

Seiko 5662-777

The Seiko 5662-777 represents an important milestone in Seiko's 1982 lineup. Powered by the 5662 caliber with 28j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-d08e15c6eba6]

Also known as: Tuna, Bullhead

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1982

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