Seiko Cal. 6131 - 603

This Automatic model from 1967 features a 36mm Two-Tone case. With its 18mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-6caa1ed3f0ce]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1967

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