Seiko Cal. 0730 - 641

Released in 1972, the Cal. 0730 with design code 641 was part of Seiko's domestic market collection. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-23e5affb80ce]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1972

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