Seiko Cal. 0724 - 990

Released in 1965, the Cal. 0724 with design code 990 was part of Seiko's domestic market collection. Powered by the 0724 caliber with 35j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-756b86d775d4]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1965

Related Models

• Seiko 4464-945
• Seiko 5646-408
• Seiko 3855-794
• Seiko 7110-558
• Seiko 0731-222
• Seiko 3863-299
• Seiko 0757-660
• Seiko 5270-219
• Seiko 7176-695
• Seiko 5687-431
• Seiko 4457-604
• Seiko 7022-500