Seiko Cal. 4488 - 840

Seiko 4488-840

This Solar model from 1979 features a 41mm Stainless Steel case. Powered by the 4488 caliber with 29j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-d14ba471629e]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1979

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