Seiko Cal. 7028 - 783

This Spring Drive model from 1996 features a 44mm Titanium case. Powered by the 7028 caliber with 34j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-238bd713970e]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1996

Related Models

• Seiko 3867-687
• Seiko 5659-880
• Seiko 3890-524
• Seiko 7153-989
• Seiko 0784-394
• Seiko 7096-206
• Seiko 5654-537
• Seiko 3814-240
• Seiko 6658-568
• Seiko 6181-268
• Seiko 5248-519
• Seiko 4459-586