Seiko Cal. 0724 - 633

The Seiko 0724-633 represents an important milestone in Seiko's 1985 lineup. Powered by the 0724 caliber with 19j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-26f74b3387d3]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

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