Seiko Cal. 4431 - 988

Seiko 4431-988

This Automatic model from 1975 features a 38mm Two-Tone case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-e3ce0f6c3cb4]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
8.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1975

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