Seiko Cal. 3890 - 670

Seiko 3890-670

This Quartz model from 1987 features a 44mm Hardlex-Coated Steel case. Powered by the 3890 caliber with 30j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-934943b71126]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
8.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
100m
Dial Color
Burgundy
Jewels
30j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1987

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seikata-wm-934943b71126