Seiko Cal. 4431 - 475

Seiko 4431-475

The Seiko 4431-475 represents an important milestone in Seiko's 1980 lineup. Powered by the 4431 caliber with 25j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a91cfdbc029a]

Also known as: Turtle, Monster

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
42mm
Case Thickness
13.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
200m
Dial Color
Silver
Jewels
25j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1980

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