Seiko Cal. 5661 - 818

Seiko 5661-818

This Solar model from 1986 features a 40mm PVD Black case. Powered by the 5661 caliber with 20j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-71f82f9fc725]

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
50m
Dial Color
Burgundy
Jewels
20j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1986

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seikata-wm-71f82f9fc725