Seiko Cal. 5231 - 386

This Spring Drive model from 1965 features a 42mm PVD Black case. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-db2e24dd024b]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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