Seiko Cal. 5646 - 551

This Automatic model from 1970 features a 40mm Titanium case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-e7caa4aeb151]

Also known as: Shogun, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1970

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