Seiko Cal. 4431 - 919

Seiko 4431-919

The 4431-919 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c0050e7968e6]

Also known as: Sportsmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
46mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Silver
Jewels
28j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1966

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