Seiko Cal. 6391 - 488

This Automatic model from 1972 features a 40mm Titanium case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-22ef425fc68d]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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