Seiko Cal. 0747 - 641

The Seiko 0747-641 represents an important milestone in Seiko's 1972 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e2e72fb4afd2]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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