Seiko Cal. 6689 - 518

Seiko 6689-518

The Seiko 6689-518 represents an important milestone in Seiko's 1979 lineup. Powered by the 6689 caliber with 29j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-1e79640de56b]

Also known as: Golden Tuna, Arnie

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.3mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
29j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1979

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