Seiko Cal. 4431 - 247

This Automatic model from 1967 features a 46mm Two-Tone case. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-08f15eac4533]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1967

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