Seiko Cal. 4431 - 981

Seiko 4431-981

The 4431-981 is a sought-after Solar piece from Seiko's golden era. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-b61e2b2f6eee]

Also known as: Sea Horse

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
30j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1968

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