Seiko Cal. 4431 - 258

Seiko 4431-258

This Hand-Winding model from 1972 features a 43mm Two-Tone case. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-2070f5948ac5]

Also known as: Silverwave, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1972

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seikata-wm-2070f5948ac5