Seiko Cal. 4438 - 290

Seiko 4438-290

This Solar model from 1989 features a 46mm Hardlex-Coated Steel case. Powered by the 4438 caliber with 28j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-b01a986e5eb4]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Cream
Jewels
28j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1989

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