Seiko Cal. 3817 - 969

Seiko 3817-969

This Spring Drive model from 1987 features a 46mm PVD Black case. Powered by the 3817 caliber with 20j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c4854bd3cc0b]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
80m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1987

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