Seiko Cal. 5659 - 817

Seiko 5659-817

The Seiko 5659-817 represents an important milestone in Seiko's 1975 lineup. Powered by the 5659 caliber with 32j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-749182f7c771]

Also known as: Sumo, Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
34mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
32j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1975

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