Seiko Cal. 3889 - 920

Seiko 3889-920

This Solar model from 1975 features a 35mm Hardlex-Coated Steel case. Powered by the 3889 caliber with 23j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-010beb98b5f4]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
10.5mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Silver
Jewels
23j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1975

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