Seiko Cal. 4431 - 911

Seiko 4431-911

The 4431-911 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-b5834c57575d]

Also known as: Samurai, Bellmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1968

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