Seiko Cal. 0731 - 161

This Automatic model from 1966 features a 42mm Titanium case. With its 18mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-c7383c4416b7]

Also known as: Turtle, Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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