Seiko Cal. 0728 - 913

Released in 1994, the Cal. 0728 with design code 913 was part of Seiko's domestic market collection. Powered by the 0728 caliber with 20j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-85cdb8bb1545]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1994

Related Models

• Seiko 6247-808
• Seiko 6128-244
• Seiko 7072-270
• Seiko 7117-335
• Seiko 6160-604
• Seiko 4590-714
• Seiko 7181-719
• Seiko 7090-267
• Seiko 4582-449
• Seiko 7169-374
• Seiko 3824-841
• Seiko 6686-635