Seiko Cal. 6390 - 986

Seiko 6390-986

The Seiko 6390-986 represents an important milestone in Seiko's 1977 lineup. Powered by the 6390 caliber with 23j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-8646cf2314de]

Also known as: Panda, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
160m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1977

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