Seiko Cal. 7034 - 640

The Seiko 7034-640 represents an important milestone in Seiko's 1970 lineup. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-35e09b05e17a]

Also known as: Sumo, Pogue

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1970

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