Seiko Cal. 0724 - 630

The Seiko 0724-630 represents an important milestone in Seiko's 1990 lineup. Powered by the 0724 caliber with 30j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-cdf7cf24d68f]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1990

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