Seiko Cal. 3889 - 439

Seiko 3889-439

This Spring Drive model from 1995 features a 40mm Hardlex-Coated Steel case. Powered by the 3889 caliber with 18j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-36ef957ddd6f]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1995

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