Seiko Cal. 0740 - 646

The Seiko 0740-646 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-5e9f3fbd04da]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1969

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