Seiko Cal. 4431 - 745

Seiko 4431-745

The 4431-745 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-78781e7c64dc]

Also known as: Tuna, Goldfeather

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
44mm
Case Thickness
10.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Burgundy
Jewels
35j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1997

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