Seiko Cal. 7028 - 904

The Seiko 7028-904 represents an important milestone in Seiko's 1999 lineup. Powered by the 7028 caliber with 26j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-98daa0c156f5]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1999

Related Models

• Seiko 7171-395
• Seiko 4565-455
• Seiko 4450-264
• Seiko 4549-697
• Seiko 0793-843
• Seiko 3810-305
• Seiko 0753-825
• Seiko 7114-242
• Seiko 6669-230
• Seiko 0758-333
• Seiko 7073-706
• Seiko 4471-839