Seiko Cal. 4437 - 823

Seiko 4437-823

This Solar model from 1970 features a 41mm Stainless Steel case. Powered by the 4437 caliber with 17j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-4755157eb423]

Also known as: UFO, Flighty

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1970

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