Seiko Cal. 0764 - 340

The Seiko 0764-340 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-4b1cd95ff155]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1973

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