Seiko Cal. 3899 - 981

Seiko 3899-981

This Kinetic model from 1987 features a 46mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-f5833ee4d63f]

Also known as: Sumo, Bellmatic

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
50m
Dial Color
Burgundy
Jewels
21j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1987

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